Bump puma from 5.6.8 to 5.6.9 in the bundler group (#863)

Bumps the bundler group with 1 update: [puma](https://github.com/puma/puma).


Updates `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
  dependency-group: bundler
...

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

Gemfile.lock

@@ -294,7 +294,7 @@ GEM
       timeout
     net-smtp (0.4.0.1)
       net-protocol
-    nio4r (2.7.0)
+    nio4r (2.7.4)
     nokogiri (1.16.6)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
@@ -330,7 +330,7 @@ GEM
     pry-rails (0.3.11)
       pry (>= 0.13.0)
     public_suffix (5.0.4)
-    puma (5.6.8)
+    puma (5.6.9)
       nio4r (~> 2.0)
     racc (1.8.0)
     rack (2.2.9)