chore(deps): bump puma

Bumps [puma](https://github.com/puma/puma) from 5.6.7 to 5.6.8.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v5.6.7...v5.6.8)

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

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

examples/language-sdk-instrumentation/ruby/rideshare_rails/Gemfile

@@ -13,7 +13,7 @@ gem "sprockets-rails"
 gem "sqlite3", "~> 1.4"
 
 # Use the Puma web server [https://github.com/puma/puma]
-gem "puma", "~> 5.0"
+gem "puma", "~> 5.6"
 
 gem 'pyroscope', '= 0.5.10'
 

examples/language-sdk-instrumentation/ruby/rideshare_rails/Gemfile.lock

@@ -105,7 +105,7 @@ GEM
       timeout
     net-smtp (0.3.3)
       net-protocol
-    nio4r (2.5.9)
+    nio4r (2.7.0)
     nokogiri (1.15.4)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
@@ -170,7 +170,7 @@ GEM
       opentelemetry-api (~> 1.0)
     psych (5.1.0)
       stringio
-    puma (5.6.7)
+    puma (5.6.8)
       nio4r (~> 2.0)
     pyroscope (0.5.10)
       ffi
@@ -259,7 +259,7 @@ DEPENDENCIES
   opentelemetry-exporter-jaeger (~> 0.22.0)
   opentelemetry-instrumentation-rails
   opentelemetry-sdk (~> 1.2.0)
-  puma (~> 5.0)
+  puma (~> 5.6)
   pyroscope (= 0.5.10)
   pyroscope-otel (~> 0.1.1)
   rails (~> 7.0.2, >= 7.0.2.3)