Test on a pull

Signed-off-by: Simo Sorce <simo@redhat.com>

Author: simo5

.github/workflows/coverity.yml

@@ -3,6 +3,8 @@ name: Coverity Scan
 on:
   push:
     branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
   schedule:
     - cron: '13 2 * * 0'