Update setup-php to 2.30.0 and re-enable macOS PHP 8.2 tests.

setup-php 2.30.0 should fix https://github.com/shivammathur/setup-php/issues/823

PiperOrigin-RevId: 612882408

.github/workflows/test_php.yml

@@ -154,9 +154,7 @@ jobs:
     strategy:
       fail-fast: false   # Don't cancel all jobs if one fails.
       matrix:
-        # TODO: Add back 8.2 once
-        # https://github.com/shivammathur/setup-php/issues/823 is fixed.
-        version: ['8.3']
+        version: ['8.2', '8.3']
 
     name: MacOS PHP ${{ matrix.version }}
     runs-on: macos-12
@@ -173,7 +171,7 @@ jobs:
         run: brew install coreutils gd
 
       - name: Pin PHP version
-        uses: shivammathur/setup-php@7fdd3ece872ec7ec4c098ae5ab7637d5e0a96067 # 2.26.0
+        uses: shivammathur/setup-php@a4e22b60bbb9c1021113f2860347b0759f66fe5d # 2.30.0
         with:
           php-version: ${{ matrix.version }}