changelog: Add placeholder for granite9

[ryonakano]

Addresses my comment in #950 (review)

I confirmed debuild -us -uc and installing built .deb files succeeds.

(snip)

dpkg-buildpackage: info: full upload; Debian-native package (full source is included)
Now running lintian granite9_9.0.0_arm64.changes ...
E: gir1.2-granite-9.0: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.6.0) [usr/share/doc/gir1.2-granite-9.0/changelog.gz:19]
E: gir1.2-granite-9.0: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.7.0) [usr/share/doc/gir1.2-granite-9.0/changelog.gz:13]
E: gir1.2-granite-9.0: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.8.0) [usr/share/doc/gir1.2-granite-9.0/changelog.gz:7]
E: granite-9-demo: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.6.0) [usr/share/doc/granite-9-demo/changelog.gz:19]
E: granite-9-demo: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.7.0) [usr/share/doc/granite-9-demo/changelog.gz:13]
E: granite-9-demo: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.8.0) [usr/share/doc/granite-9-demo/changelog.gz:7]
E: libgranite-9-common: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.6.0) [usr/share/doc/libgranite-9-common/changelog.gz:19]
E: libgranite-9-common: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.7.0) [usr/share/doc/libgranite-9-common/changelog.gz:13]
E: libgranite-9-common: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.8.0) [usr/share/doc/libgranite-9-common/changelog.gz:7]
E: libgranite-9-dev: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.6.0) [usr/share/doc/libgranite-9-dev/changelog.gz:19]
E: libgranite-9-dev: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.7.0) [usr/share/doc/libgranite-9-dev/changelog.gz:13]
E: libgranite-9-dev: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.8.0) [usr/share/doc/libgranite-9-dev/changelog.gz:7]
E: libgranite9: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.6.0) [usr/share/doc/libgranite9/changelog.gz:19]
E: libgranite9: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.7.0) [usr/share/doc/libgranite9/changelog.gz:13]
E: libgranite9: bogus-mail-host-in-debian-changelog elementary, Inc. <builds@elementary.io> (for version 7.8.0) [usr/share/doc/libgranite9/changelog.gz:7]
E: granite9 source: malformed-contact Maintainer elementary
E: gir1.2-granite-9.0: malformed-contact Maintainer elementary
E: granite-9-demo: malformed-contact Maintainer elementary
E: granite-9-demo-dbgsym: malformed-contact Maintainer elementary
E: libgranite-9-common: malformed-contact Maintainer elementary
E: libgranite-9-dev: malformed-contact Maintainer elementary
E: libgranite9: malformed-contact Maintainer elementary
E: libgranite9-dbgsym: malformed-contact Maintainer elementary
E: granite9 changes: malformed-contact Maintainer elementary
E: granite9 source: missing-build-dependency-for-dh-addon gir (does not satisfy gobject-introspection-bin:any) [debian/rules]
E: granite9 source: too-many-contacts Maintainer elementary, Inc. <builds@elementary.io>
E: gir1.2-granite-9.0: too-many-contacts Maintainer elementary, Inc. <builds@elementary.io>
E: granite-9-demo: too-many-contacts Maintainer elementary, Inc. <builds@elementary.io>
E: granite-9-demo-dbgsym: too-many-contacts Maintainer elementary, Inc. <builds@elementary.io>
E: libgranite-9-common: too-many-contacts Maintainer elementary, Inc. <builds@elementary.io>
E: libgranite-9-dev: too-many-contacts Maintainer elementary, Inc. <builds@elementary.io>
E: libgranite9: too-many-contacts Maintainer elementary, Inc. <builds@elementary.io>
E: libgranite9-dbgsym: too-many-contacts Maintainer elementary, Inc. <builds@elementary.io>
E: granite9 changes: too-many-contacts Maintainer elementary, Inc. <builds@elementary.io>
W: libgranite9: package-name-doesnt-match-sonames libgranite-9-9
W: libgranite-9-common: unknown-locale-code bh [usr/share/locale/bh/]
W: libgranite-9-common: unknown-locale-code mo [usr/share/locale/mo/]
Finished running lintian.
user@elementary-test:~/work/granite$ cd ..
user@elementary-test:~/work$ ls
debian                              granite9_9.0.0_arm64.changes            libgranite-9-common_9.0.0_all.deb
elementary-settings-sound           granite9_9.0.0.dsc                      libgranite9-dbgsym_9.0.0_arm64.ddeb
gir1.2-granite-9.0_9.0.0_arm64.deb  granite9_9.0.0.tar.xz                   libgranite-9-dev_9.0.0_arm64.deb
granite                             granite-9-demo_9.0.0_arm64.deb          portals
granite9_9.0.0_arm64.build          granite-9-demo-dbgsym_9.0.0_arm64.ddeb  wingpanel-indicator-sound
granite9_9.0.0_arm64.buildinfo      libgranite9_9.0.0_arm64.deb
user@elementary-test:~/work$ sudo apt install ./*.deb
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Note, selecting 'gir1.2-granite-9.0' instead of './gir1.2-granite-9.0_9.0.0_arm64.deb'
Note, selecting 'granite-9-demo' instead of './granite-9-demo_9.0.0_arm64.deb'
Note, selecting 'libgranite9' instead of './libgranite9_9.0.0_arm64.deb'
Note, selecting 'libgranite-9-common' instead of './libgranite-9-common_9.0.0_all.deb'
Note, selecting 'libgranite-9-dev' instead of './libgranite-9-dev_9.0.0_arm64.deb'
The following NEW packages will be installed:
  gir1.2-granite-9.0 granite-9-demo libgranite-9-common libgranite-9-dev libgranite9
0 upgraded, 5 newly installed, 0 to remove and 4 not upgraded.
Need to get 0 B/293 kB of archives.
After this operation, 1,797 kB of additional disk space will be used.
Get:1 /home/user/work/libgranite-9-common_9.0.0_all.deb libgranite-9-common all 9.0.0 [61.3 kB]
Get:2 /home/user/work/libgranite9_9.0.0_arm64.deb libgranite9 arm64 9.0.0 [140 kB]
Get:3 /home/user/work/gir1.2-granite-9.0_9.0.0_arm64.deb gir1.2-granite-9.0 arm64 9.0.0 [17.2 kB]
Get:4 /home/user/work/granite-9-demo_9.0.0_arm64.deb granite-9-demo arm64 9.0.0 [50.5 kB]
Get:5 /home/user/work/libgranite-9-dev_9.0.0_arm64.deb libgranite-9-dev arm64 9.0.0 [24.6 kB]
Selecting previously unselected package libgranite-9-common.
(Reading database ... 185705 files and directories currently installed.)
Preparing to unpack .../libgranite-9-common_9.0.0_all.deb ...
Unpacking libgranite-9-common (9.0.0) ...
Selecting previously unselected package libgranite9:arm64.
Preparing to unpack .../libgranite9_9.0.0_arm64.deb ...
Unpacking libgranite9:arm64 (9.0.0) ...
Selecting previously unselected package gir1.2-granite-9.0.
Preparing to unpack .../gir1.2-granite-9.0_9.0.0_arm64.deb ...
Unpacking gir1.2-granite-9.0 (9.0.0) ...
Selecting previously unselected package granite-9-demo.
Preparing to unpack .../granite-9-demo_9.0.0_arm64.deb ...
Unpacking granite-9-demo (9.0.0) ...
Selecting previously unselected package libgranite-9-dev.
Preparing to unpack .../libgranite-9-dev_9.0.0_arm64.deb ...
Unpacking libgranite-9-dev (9.0.0) ...
Setting up libgranite-9-common (9.0.0) ...
Setting up libgranite9:arm64 (9.0.0) ...
Setting up gir1.2-granite-9.0 (9.0.0) ...
Setting up granite-9-demo (9.0.0) ...
Setting up libgranite-9-dev (9.0.0) ...
Processing triggers for desktop-file-utils (0.27-2build1) ...
Processing triggers for hicolor-icon-theme (0.17-2) ...
Processing triggers for gnome-menus (3.36.0-1.1ubuntu3) ...
Processing triggers for libc-bin (2.39-0ubuntu8.7) ...
Processing triggers for man-db (2.12.0-4build2) ...
N: Download is performed unsandboxed as root as file '/home/user/work/libgranite-9-common_9.0.0_all.deb' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)
user@elementary-test:~/work$