ci: added additional checks for PRS to prevent accidental token leak

.drone.yml

@@ -23,19 +23,14 @@ steps:
       - yarn version $${(node -pe \'require("./package.json").version\')}-$${(git rev-parse HEAD)}.$${(date +%s)}
       - npm publish --tag dev --access public
     environment:
-      GITEA_URL: "https://code.relms.dev/NeonJS/library"
-      GITEA_TOKEN:
-        from_secret: GITEA_TOKEN
       NPM_TOKEN:
         from_secret: GITEA_TOKEN
-      GIT_AUTHOR_NAME: "DroneCI"
-      GIT_AUTHOR_EMAIL: "drone@relms.dev"
-      GIT_COMMITTER_NAME: "DroneCI"
-      GIT_COMMITTER_EMAIL: "drone@relms.dev"
     when:
       branch:
         - master
         - refactor/rewrite
+      event:
+        - push
 
   - name: publish-stable
     image: node:14
@@ -55,3 +50,5 @@ steps:
     when:
       branch:
         - stable
+      event:
+        - push