Fix ROCm tag

Author: havogt

.github/workflows/build.yml

@@ -169,7 +169,7 @@ jobs:
       if: ${{ (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && github.repository == 'GridTools/gridtools-docker' }}
       run: >
         echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u $GITHUB_ACTOR --password-stdin &&
-        docker push $CR_REPOSITORY:${{ matrix.base }}-hip &&
+        docker push $CR_REPOSITORY:${{ matrix.base }}-rocm-6.2 &&
         docker logout ghcr.io
 
   hpx: