Checkout all branches/history in workflows

Otherwise that branch check in the release job fails. And who knows what
else will fail in the future, so lets not be stingy.

.github/workflows/build-app.yaml

@@ -24,6 +24,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: true
+          fetch-depth: 0
 
       - name: build
         run: |
@@ -51,6 +52,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: true
+          fetch-depth: 0
 
       - name: Ensure release branch
         run: |

.github/workflows/image-builder-template.yaml

@@ -22,6 +22,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: true
+          fetch-depth: 0
 
       - uses: docker/setup-buildx-action@v2