Merge pull request riscv-collab#1229 from JanMatCodasip/jm-codasip/snapshot-action-in-main-branch-only

CI: Run the "snapshot" action only on the main branch

Author: en-sc

.github/workflows/snapshot.yml

@@ -2,7 +2,10 @@
 
 # Copyright (C) 2020 by Tarek BOUCHKATI <tarek.bouchkati@gmail.com>
 
-on: push
+on:
+  push:
+    branches:
+      - riscv
 
 name: OpenOCD Snapshot