chore: fix deprecations in ci (#132)

Co-authored-by: Christopher Georg <christopher.georg@sr-travel.de>

.github/workflows/ci.yml

@@ -42,7 +42,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v3
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -58,10 +58,10 @@ jobs:
 
       - name: Get 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 dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v3
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
@@ -142,7 +142,7 @@ jobs:
 
       - name: Upload coverage results to Codecov
         if: matrix.coverage != ''
-        uses: codecov/codecov-action@v1.0.3
+        uses: codecov/codecov-action@v3
         with:
           name: phpunit-php${{ matrix.php }}
           flags: phpunit