Fix artifact generation (#389)

* Change nightly release semantic to fit github

* fix the branch name

Author: bakpaul

.github/workflows/ci.yml

@@ -199,6 +199,7 @@ jobs:
           
           RELEASE_NAME="${{ github.ref_name }}"
           RELEASE_TAGNAME="release-${{ github.ref_name }}"
+          BRANCH_NAME="$RELEASE_NAME"
           if [[ "${{ github.event.inputs.is_nightly }}" == "true" ]]; then
               RELEASE_NAME="nightly-$RELEASE_NAME"
               RELEASE_TAGNAME="nightly-$RELEASE_TAGNAME"
@@ -223,7 +224,7 @@ jobs:
           name: ${{ env.RELEASE_NAME }}
           tag_name: ${{ env.RELEASE_TAGNAME }}
           fail_on_unmatched_files: false
-          target_commitish: ${{ env.RELEASE_NAME }}
+          target_commitish: ${{ env.BRANCH_NAME }}
           body: |
             Last updated on ${{ env.RELEASE_DATE }}
           files: |