[3.7] GH-102306 Avoid GHA CI macOS test_posix failure by using the appropriate macOS SDK. (GH-102427)

Co-authored-by: Oleg Iarygin <[email protected]>

Author: ned-deily

.github/workflows/build.yml

@@ -128,7 +128,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Configure CPython
-      run: ./configure --with-pydebug --with-openssl=/usr/local/opt/openssl --prefix=/opt/python-dev
+      run: SDKROOT=/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk ./configure --with-pydebug --with-openssl=/usr/local/opt/openssl --prefix=/opt/python-dev
     - name: Build CPython
       run: make -j4
     - name: Display build info

Misc/NEWS.d/next/Build/2023-02-27-18-55-32.gh-issue-102306.bkokFL.rst

@@ -0,0 +1 @@
+Avoid GHA CI macOS test_posix failure by using the appropriate macOS SDK.