fix: alternative way to determine if docs need to be published

Author: boazpoolman

.github/workflows/deploy-docs.yml

@@ -1,14 +1,14 @@
 name: Deploy Docs
 
 on:
-  push:
-    tags:
-      - "docs*"
+  release:
+    types: [published]
 
 jobs:
   deploy:
     name: Deploy
     runs-on: ubuntu-latest
+    if: startsWith(github.event.release.name, 'docs@')
     environment:
       name: docs.pluginpal.io
       url: https://docs.pluginpal.io/webtools