Update workflows

Signed-off-by: Stephen Finucane <[email protected]>

Author: stephenfin

.github/workflows/publish-image.yaml

@@ -3,17 +3,15 @@ name: Publish container image
 on:
   push:
   pull_request:
-  schedule:
-    - cron: '30 0 * * 1'
 jobs:
   push_to_registry:
     name: Push container image to GitHub Container Registry
     runs-on: ubuntu-latest
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Build and push container image
-        uses: docker/build-push-action@v1
+        uses: docker/build-push-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}