Updated gh workflow to use latest actions

Author: thirsch

.github/workflows/continuous-integration.yml

@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: "true"
 
@@ -46,7 +46,7 @@ jobs:
         run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}

.github/workflows/lint.yml

@@ -10,15 +10,15 @@ jobs:
     name: 'PHP-CS-Fixer'
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
           php-version: 8.2
           tools: php-cs-fixer:3.45, cs2pr
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: '.php-cs-fixer.cache'
           key: ${{ github.repository }}-8.2-phpcsfixer-${{ github.ref_name }}