ci: add pre-build cleanup step for artifact updates

Add a cleanup step to remove the bundled directory before building when
running the latest Hugo version on push or merged PR events. This ensures
old or unused JavaScript files are not included in the updated artifacts.

Signed-off-by: Sped0n <hi@sped0n.com>

.github/workflows/build.yml

@@ -64,10 +64,16 @@ jobs:
       - name: Install project dependencies
         run: 'pnpm install'
 
+      - name: Pre-build cleanup
+        if: >
+          matrix.hugo-version == 'latest' &&
+          (github.event_name == 'push' || github.event.pull_request.merged == true)
+        run: 'rm -rf bundled'
+
       - name: Build
         run: 'pnpm run build'
 
-      - name: Commit
+      - name: Push artifacts
         if: >
           matrix.hugo-version == 'latest' &&
           (github.event_name == 'push' || github.event.pull_request.merged == true)