Bump puma from 5.6.8 to 5.6.9

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] <support@github.com>

Gemfile.lock

@@ -491,7 +491,7 @@ GEM
  net-smtp (0.4.0.1)
  net-protocol
  netrc (0.11.0)
- nio4r (2.7.0)
+ nio4r (2.7.3)
  nokogiri (1.16.5)
  mini_portile2 (~> 2.8.2)
  racc (~> 1.4)
@@ -563,7 +563,7 @@ GEM
  psych (5.1.0)
  stringio
  public_suffix (5.0.0)
- puma (5.6.8)
+ puma (5.6.9)
  nio4r (~> 2.0)
  pyu-ruby-sasl (0.0.3.3)
  racc (1.8.0)