chore: Bump puma from 5.6.8 to 5.6.9 (#2168)

Bumps [puma](https://github.com/puma/puma) from 5.6.8 to 5.6.9.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v5.6.8...v5.6.9)

---
updated-dependencies:
- dependency-name: puma
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -568,7 +568,7 @@ GEM
     pry-rails (0.3.11)
       pry (>= 0.13.0)
     public_suffix (5.1.1)
-    puma (5.6.8)
+    puma (5.6.9)
       nio4r (~> 2.0)
     pundit (2.3.2)
       activesupport (>= 3.0.0)