Update JRuby test fixture for Ruby 3.1.7

JRuby 9.4.14.0 implements Ruby 3.1.7 (not 3.1.4).
Updated test fixture and expectations to match the correct Ruby version.

Author: ramonskie

fixtures/default/sinatra_jruby/Gemfile

@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '3.1.4', :engine => 'jruby', :engine_version => '9.4.14.0'
+ruby '3.1.7', :engine => 'jruby', :engine_version => '9.4.14.0'
 
 gem 'rackup'
 gem 'sinatra'

fixtures/default/sinatra_jruby/Gemfile.lock

@@ -27,16 +27,18 @@ GEM
     webrick (1.9.2)
 
 PLATFORMS
+  java
   universal-java-1.8
   universal-java-25
+  universal-java-8
 
 DEPENDENCIES
   rackup
   sinatra
   webrick
 
 RUBY VERSION
-   ruby 3.1.4p0 (jruby 9.4.8.0)
+   ruby 3.1.7p0 (jruby 9.4.14.0)
 
 BUNDLED WITH
-   2.3.26
+   2.6.3

src/ruby/integration/default_test.go

@@ -118,7 +118,7 @@ func testDefault(platform switchblade.Platform, fixtures string) func(*testing.T
 				Expect(logs).To(ContainLines(MatchRegexp(`Installing jruby \d+\.\d+\.\d+\.\d+`)))
 				// JRuby needs extra time to warm up after health check passes
 				// Increase timeout to 3 minutes with 2-second intervals for CI environments
-				Eventually(deployment, 3*time.Minute, 2*time.Second).Should(Serve(ContainSubstring("jruby 3.1.4")).WithEndpoint("/ruby"), logs.String())
+				Eventually(deployment, 3*time.Minute, 2*time.Second).Should(Serve(ContainSubstring("jruby 3.1.7")).WithEndpoint("/ruby"), logs.String())
 			})
 		})
 	}