Merge pull request #3068 from github/zkoppert-patch-1

Add link to github action for measuring maintainer response time

_articles/metrics.md

@@ -112,7 +112,7 @@ Unresponsive maintainers become a bottleneck for open source projects. If someon
 
 [Research from Mozilla](https://docs.google.com/presentation/d/1hsJLv1ieSqtXBzd5YZusY-mB8e1VJzaeOmh8Q4VeMio/edit#slide=id.g43d857af8_0177) suggests that maintainer responsiveness is a critical factor in encouraging repeat contributions.
 
-Consider tracking how long it takes for you (or another maintainer) to respond to contributions, whether an issue or a pull request. Responding doesn't require taking action. It can be as simple as saying: _"Thanks for your submission! I'll review this within the next week."_
+Consider [tracking how long it takes for you (or another maintainer) to respond to contributions](https://github.blog/2023-07-19-metrics-for-issues-pull-requests-and-discussions/), whether an issue or a pull request. Responding doesn't require taking action. It can be as simple as saying: _"Thanks for your submission! I'll review this within the next week."_
 
 You could also measure the time it takes to move between stages in the contribution process, such as: