Merge pull request #37 from otegami/skip-slack-notification-in-fork-repo

Author: haru

.github/workflows/build.yml

@@ -50,7 +50,7 @@ jobs:
           fail_ci_if_error: true
       - name: Slack Notification on Failure
         uses: rtCamp/[email protected]
-        if: failure()
+        if: failure() && env.SLACK_WEBHOOK != ''
         env:
           SLACK_CHANNEL: plugin-wiki_ext
           SLACK_TITLE: Test Failure