CI: change tag because release was not uploaded

.github/workflows/build.yml

@@ -25,6 +25,16 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v2
 
+
+      - name: Setup env
+        run: |
+          echo "DT=$(date +'%Y-%m-%d_%H%M')" >> $GITHUB_ENV
+          echo "VER=$(git describe)" >> $GITHUB_ENV
+          echo "BRANCH=${GITHUB_REF##*/}" >> $GITHUB_ENV
+      - name: Print env
+        run: |
+          echo $BRANCH $VER $DT
+
       - name: Setup cache
         id: cache
         uses: actions/cache@v2
@@ -52,7 +62,7 @@ jobs:
           # It is recommended to create the access token with the following scopes: `repo, user, admin:repo_hook`.
           repo_token: ${{ secrets.GITHUB_TOKEN }}
           file: rootfs*.cpio.gz
-          tag: ${{ github.ref }}
+          tag:  "CI-BUILD-${{ env.BRANCH }}-${{ env.VER }}-${{ env.DT }}"
           overwrite: true
           body: "release for bpi-r2 + bpi-r64"
           file_glob: true