Fix GitHub Actions deprecation warnings

Author: rosier

.github/workflows/lint.yaml

@@ -18,7 +18,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: "Checkout code"
-              uses: actions/checkout@v2
+              uses: actions/checkout@v3
 
             - name: PHP-CS-Fixer
               uses: docker://oskarstark/php-cs-fixer-ga
@@ -34,10 +34,10 @@ jobs:
 
         steps:
             - name: "Checkout code"
-              uses: actions/checkout@v2.3.3
+              uses: actions/checkout@v3
 
             - name: "Install PHP with extensions"
-              uses: shivammathur/setup-php@2.7.0
+              uses: shivammathur/setup-php@v2
               with:
                   coverage: "none"
                   extensions: intl
@@ -46,10 +46,10 @@ jobs:
 
             - name: "Set composer cache directory"
               id: composer-cache
-              run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+              run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
             - name: "Cache composer"
-              uses: actions/cache@v2.1.2
+              uses: actions/cache@v3
               with:
                   path: ${{ steps.composer-cache.outputs.dir }}
                   key: ${{ runner.os }}-${{ matrix.php-version }}-composer-${{ hashFiles('composer.lock') }}

.github/workflows/tests.yaml

@@ -34,10 +34,10 @@ jobs:
 
         steps:
             - name: "Checkout code"
-              uses: actions/checkout@v2.3.3
+              uses: actions/checkout@v3
 
             - name: "Install PHP with extensions"
-              uses: shivammathur/setup-php@2.7.0
+              uses: shivammathur/setup-php@v2
               with:
                   coverage: "none"
                   extensions: "intl, mbstring, pdo_sqlite"
@@ -49,10 +49,11 @@ jobs:
 
             - name: "Set composer cache directory"
               id: composer-cache
-              run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+              run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+              shell: bash
 
             - name: "Cache composer"
-              uses: actions/cache@v2.1.2
+              uses: actions/cache@v3
               with:
                   path: ${{ steps.composer-cache.outputs.dir }}
                   key: ${{ runner.os }}-${{ matrix.php-version }}-composer-${{ hashFiles('composer.json') }}