Update tag pattern in publish workflow (#740)

## What does this change?

Allows publishing versions with any digits and with a build version.

Author: AlexV525

.github/workflows/publish.yml

@@ -3,7 +3,7 @@ name: Publish to pub.dev
 on:
   push:
     tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - 'v\d+\.\d+\.\d+(\+\d+)?'
   workflow_dispatch:
 
 jobs: