fix permission

Signed-off-by: Hajime Tazaki <[email protected]>

.github/workflows/ci.yml

@@ -428,18 +428,19 @@ jobs:
     needs: docker-image
     runs-on: ubuntu-18.04
     name: downstream
-    permissions:
-      contents: write
     if: ${{ github.event_name == 'release' }}
     steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
       - name: Set environment variables for image name
         run: |
            IMAGE_VERSION=`git describe --tags --abbrev=0 | sed "s/^v//"`
            echo "IMAGE_VERSION=$IMAGE_VERSION" >> $GITHUB_ENV
       - name: Repository Dispatch
         uses: peter-evans/repository-dispatch@v1
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.REPO_ACCESS_TOKEN }}
           repository: ukontainer/runu
           event-type: trigger-test
           client-payload: '{"img_version": "${{ env.IMAGE_VERSION }}", "repository": "$GITHUB_REPOSITORY"}'