Merge pull request 'ci: run agent-smoke only on PRs, not push events' (#791) from ci/smoke-pr-only into main

Reviewed-on: https://codeberg.org/johba/disinto/pulls/791

.woodpecker/ci.yml

@@ -16,6 +16,8 @@ steps:
 
   - name: agent-smoke
     image: alpine:3
+    when:
+      event: pull_request
     commands:
       - apk add --no-cache bash
       - bash .woodpecker/agent-smoke.sh