Ignore cache exporting errors in the image building workflows (#2487)

Signed-off-by: Xinmin Du <[email protected]>

.github/workflows/template-publish-image/action.yaml

@@ -58,5 +58,5 @@ runs:
         push: ${{ inputs.push }}
         tags: ${{ steps.meta.outputs.tags }}
         cache-from: type=gha
-        cache-to: type=gha,mode=max
+        cache-to: type=gha,mode=max,ignore-error=true
         platforms: ${{ inputs.platforms }}