Add checkout to docker-build job

Signed-off-by: Nicko Guyer <[email protected]>

.github/workflows/go.yml

@@ -27,7 +27,9 @@ jobs:
         run: bash <(curl -s https://codecov.io/bash)
   docker-build:
     runs-on: ubuntu-latest
-    needs: build
     steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
       - name: Build Docker image
         run: make docker