upgrade github actions

Author: dbu

.github/workflows/continuous-integration.yml

@@ -75,7 +75,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v3"
         with:
           fetch-depth: 2
 
@@ -94,7 +94,7 @@ jobs:
         run: "composer require --no-progress --no-scripts --no-plugins symfony/flex ${{ matrix.dependencies }}"
 
       - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
         with:
           dependency-versions: "${{ matrix.dependency-versions }}"
           composer-options: "${{ matrix.composer-options }}"

.github/workflows/static-analysis.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v3"
       - name: "PHP-CS-Fixer"
         uses: "docker://oskarstark/php-cs-fixer-ga:2.19.0"
         with: