Secret-scanning: Fix newly-opened PR conditional

Signed-off-by: Chris Evich <[email protected]>

Author: cevich

.github/workflows/scan-secrets.yml

@@ -86,7 +86,7 @@ jobs:
           after=$(jq -r -e '.after' $GITHUB_EVENT_PATH)
           echo "https://github.com/${{ github.repository }}/compare/${before}...${after}"
 
-      - if: github.event_name == 'opened'
+      - if: github.event.action == 'opened'
         name: Provide URL showing code that needs human eyes (newly opened PR)
         shell: bash
         run: |