Add checkout option to shared build

Author: culka

.github/workflows/shared-build-and-publish-docker-image.yml

@@ -106,6 +106,10 @@ jobs:
       - name: Login to ACR via OIDC
         run: az acr login --name ${{ inputs.acr_name }}
 
+      - name: Checkout
+        if: ${{ inputs.context == '.' }}
+        uses: actions/checkout@v5
+
       - name: Download artifacts
         if: ${{ inputs.artifact-id }}
         uses: actions/download-artifact@v5