Bump puma from 4.3.8 to 4.3.10

Bumps [puma](https://github.com/puma/puma) from 4.3.8 to 4.3.10.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](https://github.com/puma/puma/compare/v4.3.8...v4.3.10)

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

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -463,7 +463,7 @@ GEM
       pronto (~> 0.11.0)
       scss_lint (~> 0.43, >= 0.43.0)
     public_suffix (4.0.6)
-    puma (4.3.8)
+    puma (4.3.10)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -759,7 +759,7 @@ DEPENDENCIES
   pronto-eslint (~> 0.11.0)
   pronto-rubocop (~> 0.11.1)
   pronto-scss (~> 0.11.0)
-  puma (~> 4.3.8)
+  puma (~> 4.3.10)
   rails (= 5.2.6)
   rails-assets-leaflet!
   rails-assets-markdown-it (~> 9.0.1)!