[TASK] Update CI and Publish Workflow

Author: achimfritz

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: Install testing system
         run: Build/Scripts/runTests.sh -p ${{ matrix.php }} -t ${{ matrix.TYPO3 }} -s composerInstall

.github/workflows/publish.yml

@@ -8,13 +8,13 @@ jobs:
   publish:
     name: Publish new version to TER
     if: startsWith(github.ref, 'refs/tags/')
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     env:
       TYPO3_API_TOKEN: ${{ secrets.TYPO3_API_TOKEN }}
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: Check tag
         run: |
@@ -37,7 +37,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 7.4
+          php-version: 8.3
           extensions: intl, mbstring, json, zip, curl
 
       - name: Install tailor