build and push docs also on tag push (#542)

Signed-off-by: Karol Szwaj <karol.szwaj@gmail.com>

On-behalf-of: @SAP karol.szwaj@sap.com

Author: cnvergence

.github/workflows/docs-gen-and-push.yaml

@@ -7,6 +7,8 @@ on:
   pull_request:
   # Pushes to branches do the full build + deployment
   push:
+    tags:
+      - 'v*'
     branches:
       - main
       - "release-*"