py-pyobjc: update to 9.0.1

[michaelld]

Description

update py-pyobjc to 9.0.1

Add patch to not error out when a subdirectory does not contain "setup.py".

Closes: https://trac.macports.org/ticket/66544

Type(s)

• bugfix
• enhancement
• security fix

Tested on

macOS 11.7.3 20G1102 x86_64
Xcode 12.3 12C33

Verification

Have you

• followed our Commit Message Guidelines?
• squashed and minimized your commits?
• checked that there aren't other open pull requests for the same change?
• referenced existing tickets on Trac with full URL?
• checked your Portfile with port lint --nitpick?
• tried existing tests with sudo port test?
• tried a full install with sudo port -vst install?
• tested basic functionality of all binary files?
• checked that the Portfile's most important variants haven't been broken?

[macportsbot]

Notifying maintainers:
@danchr for port py-pyobjc.

[michaelld]

Openmaintainer timeout is well past ... merging