Include Postgres 15 in our CI testing. (#923)

* Include Postgres 15 in our CI testing.

The citusdata tooling most recent tag is now v0.8.18, so let's try that one.

* Test feature branch in tools repo

* Adds zstd to fix pg15 builds

* Adds libzstd ibrary

* Adds libzstd-dev to fix build

* Removes unnecessary libzstd1

Co-authored-by: Hanefi Onaldi <Hanefi.Onaldi@microsoft.com>
Co-authored-by: Gürkan İndibay <gurkanindibay@gmail.com>

.github/workflows/build-package.yml

@@ -25,6 +25,7 @@ jobs:
           - 12
           - 13
           - 14
+          - 15
         TEST:
           - multi
           - single
@@ -52,7 +53,7 @@ jobs:
       - name: Clone and install tools branch
         run: |
           gcc --version
-          git clone -b v0.7.22 --depth 1 https://github.com/citusdata/tools.git ../tools
+          git clone -b add-pg15-scripts --depth 1 https://github.com/citusdata/tools.git ../tools
           sudo make -C ../tools install
 
       - name: Pre Install steps
@@ -61,7 +62,7 @@ jobs:
           if [ -z "${LINTING}" ]; then nuke_pg; fi
           python --version
           python3 --version
-          sudo apt-get install liblz4-1 liblz4-dev bridge-utils python3-pip python3-nose python3-psycopg2 libxslt1-dev
+          sudo apt-get install liblz4-1 liblz4-dev bridge-utils python3-pip python3-nose python3-psycopg2 libxslt1-dev libzstd-dev
           sudo apt-get install libkrb5-dev python3-setuptools
           sudo -H pip3 install pyroute2>=0.5.17
           pip3 install --user black