Update GitHub workflow actions

.github/workflows/ci.yaml

@@ -4,10 +4,11 @@ on: push
 
 jobs:
   integration-tests:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
+
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: build image
         run: docker build -t zimit .

.github/workflows/docker.yml

@@ -10,9 +10,12 @@ on:
 jobs:
   build-and-push:
     name: Deploy Docker Image
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
+
     steps:
-      - uses: actions/checkout@v2
+      - name: Retrieve source code
+        uses: actions/checkout@v3
+
       - name: Build and push
         uses: openzim/docker-publish-action@v9
         with: