updated version in actions and run pr checks in parallel

.github/workflows/docker_pr.yml

@@ -4,20 +4,32 @@ on:
     pull_request:
 
 jobs:
-    build:
+    build_frontend:
         runs-on: ubuntu-latest
         steps:
             - name: Checkout
-              uses: actions/checkout@v2
+              uses: actions/checkout@v4
 
             - name: Build frontend
               working-directory: ./src/psaggregator
               run: docker build -t ghcr.io/${{ github.repository_owner }}/psaggregator_frontend:latest .
 
+    build_nginx:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+
             - name: Build nginx
               working-directory: ./src/nginx
               run: docker build -t ghcr.io/${{ github.repository_owner }}/psaggregator_nginx:latest .
 
+    build_dataimport:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+
             - name: Build dataimport
               working-directory: ./src/dataimport
               run: docker build -t ghcr.io/${{ github.repository_owner }}/psaggregator_dataimport:latest .

.github/workflows/docker_publish.yml

@@ -14,7 +14,7 @@ jobs:
             packages: write
         steps:
             - name: Checkout
-              uses: actions/checkout@v2
+              uses: actions/checkout@v4
 
             - name: Determine version
               run: |

.github/workflows/pythonlint_pr.yml

@@ -8,7 +8,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Checkout
-              uses: actions/checkout@v2
+              uses: actions/checkout@v4
 
             - name: Set up Python
               uses: actions/setup-python@v2