Merge pull request #580 from Kobzol/ci-doc

Document conclusion job more

.github/workflows/rust.yml

@@ -95,6 +95,7 @@ jobs:
     steps:
       - name: Conclusion
         run: |
+          # Print the dependent jobs to see them in the CI log
           jq -C <<< '${{ toJson(needs) }}'
-          # Check if all needs were successful.
+          # Check if all jobs that we depend on (in the needs array) were successful.
           jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'