update environment variable.

Author: wildone

.github/workflows/build.yml

@@ -73,7 +73,7 @@ jobs:
         uses: yuichielectric/[email protected]
         with:
           image: ${{ env.IMAGE }}:${{ env.GIT_BRANCH }}
-          config-file: ${{ github.workspace }}/.dive-ci.yml
+          config-file: ${{ env.GITHUB_WORKSPACE }}/.dive-ci.yml
           github-token: ${{ secrets.GITHUB_TOKEN }}