meta: use correct source for workflow in PR

PR-URL: nodejs#53490
Reviewed-By: Yagiz Nizipli <yagiz.nizipli@sentry.io>
Reviewed-By: Tierney Cyren <hello@bnb.im>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>

.github/workflows/find-inactive-collaborators.yml

@@ -42,7 +42,7 @@ jobs:
           author: Node.js GitHub Bot <github-bot@iojs.org>
           branch: actions/inactive-collaborators
           body: |
-            This PR was generated by tools/find-inactive-collaborators.yml.
+            This PR was generated by the [`find-inactive-collaborators.yml` workflow](https://github.com/nodejs/node/blob/main/.github/workflows/find-inactive-collaborators.yml).
 
             @nodejs/tsc Please follow up with the [offboarding tasks](https://github.com/nodejs/node/blob/main/doc/contributing/offboarding.md).
           commit-message: 'meta: move one or more collaborators to emeritus'