chore: update appveyor

Author: punker76

appveyor.yml

@@ -4,7 +4,7 @@ branches:
   only:
     - develop
     - main
-    - \d*\.\d*\.\d*/
+    - /\d*\.\d*\.\d*/
 
 environment:
   # bad, but without this, gitversion doesn't work anymore