chore: Update GitHub Actions workflows for preview and release builds

.github/workflows/preview.yml

@@ -3,15 +3,15 @@ name: Build preview for pull requests
 on:
   push:
     # REQUIRED: push main(default) branch is necessary for this action to update its fingerprint database
-    branches: [main]
+    branches: [master]
   pull_request:
     types: [opened, synchronize]
 
 jobs:
   build:
     runs-on: ubuntu-latest
     # REQUIRED: limit concurrency when pushing main(default) branch to prevent conflict for this action to update its fingerprint database
-    concurrency: fingerprint-${{ github.event_name != 'pull_request' && 'main' || github.run_id }}
+    concurrency: fingerprint-${{ github.event_name != 'pull_request' && 'master' || github.run_id }}
     permissions:
       # REQUIRED: Allow comments of PRs
       pull-requests: write # Allow comments on PRs