Merge #6262: chore: add stats as a pull request header type and scope

4faf35f chore: add `stats` as a pull request header scope (Kittywhiskers Van Gogh)

Pull request description:

  ## Additional Information

  Would allow tagging #5167, #6267 and #6237 as `feat(stats)`.

  ## Breaking Changes

  None.

  ## Checklist:

  - [x] I have performed a self-review of my own code **(note: N/A)**
  - [x] I have commented my code, particularly in hard-to-understand areas **(note: N/A)**
  - [x] I have added or updated relevant unit/integration/functional/e2e tests **(note: N/A)**
  - [x] I have made corresponding changes to the documentation **(note: N/A)**
  - [x] I have assigned this pull request to a milestone _(for repository code-owners and collaborators only)_ **(note: N/A)**

ACKs for top commit:
  PastaPastaPasta:
    utACK 4faf35f
  UdjinM6:
    utACK 4faf35f
  thephez:
    utACK 4faf35f

Tree-SHA512: 25cc28792351852b9e920d980b8814d93274bc53d22ce63fb1a5bf32821b10902d22b384a408e1c4a7b97239e53e235c45ac008d0f82e1afe5d6071b392acb47

.github/workflows/semantic-pull-request.yml

@@ -47,3 +47,4 @@ jobs:
             utils
             wallet
             zmq
+            stats

CONTRIBUTING.md

@@ -132,6 +132,7 @@ include:
   - *wallet* for changes to the wallet code
   - *zmq* for changes to the ZMQ APIs
   - *guix* for changes to the GUIX reproducible builds
+  - *stats* for changes to reporting of statistics
 
 Examples: