fix: create ephemeral branch for nightly releases

.github/workflows/reusable-release.yml

@@ -284,13 +284,13 @@ jobs:
           token: ${{ secrets.GH_TOKEN }}
           # Ref: https://github.com/lerna/lerna/issues/2532
           fetch-depth: 0
-          # We do not want to push these changes upstream
-          detach: true
       -
         name: Configure git
         run: |
           git config user.email "${{ github.actor }}@users.noreply.github.com"
           git config user.name ${{ github.actor }}
+          # Create ephemeral branch that won't be merged upstream
+          git checkout -b "nightly-${{ inputs.branch || 'develop' }}"
       -
         name: Install Dagger
         uses: dagger/dagger-for-github@v3
@@ -315,3 +315,6 @@ jobs:
         run: |
           npm config set //registry.npmjs.org/:_authToken $NODE_AUTH_TOKEN
           npm run publish:nightly -- --yes
+      -
+        name: Cleanup nightly branch
+        run: git branch -d "nightly-${{ inputs.branch || 'develop' }}"