Bump shivammathur/setup-php from 2.29.0 to 2.30.0 (#653)

Author: dependabot[bot]

.github/workflows/exercise-lint-phpcs-psr-12.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
 
-      - uses: shivammathur/setup-php@6d7209f44a25a59e904b1ee9f3b0c33ab2cd888d
+      - uses: shivammathur/setup-php@a4e22b60bbb9c1021113f2860347b0759f66fe5d
         with:
           php-version: '8.2'
           extensions: gmp

.github/workflows/exercise-tests-phpunit-10.yml

@@ -28,7 +28,7 @@ jobs:
 
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
 
-      - uses: shivammathur/setup-php@6d7209f44a25a59e904b1ee9f3b0c33ab2cd888d
+      - uses: shivammathur/setup-php@a4e22b60bbb9c1021113f2860347b0759f66fe5d
         with:
           php-version: ${{ matrix.php-version }}
           extensions: gmp

.github/workflows/exercise-tests-phpunit-9.yml

@@ -27,7 +27,7 @@ jobs:
 
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
 
-      - uses: shivammathur/setup-php@6d7209f44a25a59e904b1ee9f3b0c33ab2cd888d
+      - uses: shivammathur/setup-php@a4e22b60bbb9c1021113f2860347b0759f66fe5d
         with:
           php-version: ${{ matrix.php-version }}
           extensions: gmp