chore: pin GitHub Actions to commit SHAs (#524)

* chore: pin GitHub Actions to commit SHAs

* chore: pin GitHub Actions to commit SHAs

Author: nunomaduro

.github/workflows/static.yml

@@ -10,18 +10,18 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
 
     - name: Setup PHP
-      uses: shivammathur/setup-php@v2
+      uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # v2
       with:
         php-version: 7.3
         extensions: zip
         tools: composer
         coverage: none
 
     - name: Install PHP dependencies
-      uses: ramsey/composer-install@v1
+      uses: ramsey/composer-install@994bb194a4fefcf39449ccf0f7766a4318f1ac76 # v1
       with:
         dependency-versions: highest
         composer-options: "--prefer-dist"

.github/workflows/tests.yml

@@ -16,10 +16,10 @@ jobs:
     steps:
 
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
 
     - name: Setup PHP
-      uses: shivammathur/setup-php@v2
+      uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # v2
       with:
         php-version: ${{ matrix.php }}
         extensions: zip
@@ -32,7 +32,7 @@ jobs:
         echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
 
     - name: Install PHP dependencies
-      uses: ramsey/composer-install@v1
+      uses: ramsey/composer-install@994bb194a4fefcf39449ccf0f7766a4318f1ac76 # v1
       with:
         dependency-versions: ${{ matrix.dependency-version }}
         composer-options: "--prefer-dist"