fix:Update release.yml (#378)

Removes "cleanup existing PR" step.

Author: willum070

.github/workflows/release.yml

@@ -64,16 +64,6 @@ jobs:
       - name: Deploy to Firebase Hosting
         run: firebase deploy --only hosting
 
-      - name: Close Existing PRs (temp-build-branch to main)
-        run: |
-          EXISTING_PR=$(gh pr list --base main --head temp-build-branch --state open --json number -q '.[].number')
-          if [[ -n "$EXISTING_PR" ]]; then
-            echo "Found existing open PR(s) for temp-build-branch to main: $EXISTING_PR"
-            gh pr close "$EXISTING_PR"
-          fi
-        env:
-          GH_TOKEN: ${{ secrets.GH_MERGE_TOKEN }}
-
       - name: Create temporary branch
         run: git checkout -b temp-build-branch