ci: handle rc flow

Author: b0l0k

.github/workflows/publish.yml

@@ -3,7 +3,8 @@ name: Publish Plugin on Tag
 on:
   push:
     tags:
-      - '[0-9]+.[0-9]+.[0-9]+'
+      - "[0-9]*.[0-9]*.[0-9]*"
+      - "[0-9]*.[0-9]*.[0-9]*-rc.*"
 
 jobs:
   build-plugin: