fix: on triggers

Author: zpg6

.github/workflows/continuous-releases.yml

@@ -1,5 +1,10 @@
 name: Continuous Releases with pkg-pr-new
-on: [push, pull_request]
+on:
+    push:
+        branches: [main]
+    pull_request:
+        branches: [main]
+    workflow_dispatch:
 
 permissions: {}