chore(deps): bump puma in /examples/quick-start-ruby-sinatra

Bumps [puma](https://github.com/puma/puma) from 6.2.1 to 6.3.1.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v6.2.1...v6.3.1)

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

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

examples/quick-start-ruby-sinatra/Gemfile

@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem "puma",     "~> 6.2.1"
+gem "puma",     "~> 6.3.1"
 gem "sinatra",  "~> 3.0.5"
 
 gem "opentelemetry-sdk",                     "~> 1.2"

examples/quick-start-ruby-sinatra/Gemfile.lock

@@ -2,6 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     google-protobuf (3.22.2-x86_64-darwin)
+    google-protobuf (3.22.2-x86_64-linux)
     googleapis-common-protos-types (1.5.0)
       google-protobuf (~> 3.14)
     mustermann (3.0.0)
@@ -38,7 +39,7 @@ GEM
       opentelemetry-semantic_conventions
     opentelemetry-semantic_conventions (1.8.0)
       opentelemetry-api (~> 1.0)
-    puma (6.2.1)
+    puma (6.3.1)
       nio4r (~> 2.0)
     rack (2.2.6.4)
     rack-protection (3.0.5)
@@ -53,12 +54,13 @@ GEM
 
 PLATFORMS
   x86_64-darwin-21
+  x86_64-linux
 
 DEPENDENCIES
   opentelemetry-exporter-otlp (~> 0.24)
   opentelemetry-instrumentation-sinatra (~> 0.21)
   opentelemetry-sdk (~> 1.2)
-  puma (~> 6.2.1)
+  puma (~> 6.3.1)
   sinatra (~> 3.0.5)
 
 BUNDLED WITH