fix: log skipped job and step result as info instead of debug

This allows the Forgejo runner to obtain the job result from the
logs even when it is not in debug mode.

act/runner/testdata/skip/skip.yml

@@ -0,0 +1,9 @@
+name: skip
+on: push
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - if: false
+        run: echo nothing