chore(flagd): update spec metadata links (#36)

## This PR

- updates invalid spec metadata links

Signed-off-by: Michael Beemer <beeme1mr@users.noreply.github.com>

providers/openfeature-flagd-provider/openfeature-flagd-provider.gemspec

@@ -10,15 +10,15 @@ Gem::Specification.new do |spec|
 
   spec.summary = "The flagd provider for the OpenFeature Ruby SDK"
   spec.description = "The flagd provider for the OpenFeature Ruby SDK"
-  spec.homepage = "https://github.com/open-feature/ruby-sdk-contrib/providers/openfeature-flagd-provider"
+  spec.homepage = "https://github.com/open-feature/ruby-sdk-contrib/tree/main/providers/openfeature-flagd-provider"
   spec.license = "Apache-2.0"
   spec.required_ruby_version = ">= 3.1"
 
   spec.metadata["homepage_uri"] = spec.homepage
-  spec.metadata["source_code_uri"] = "https://github.com/open-feature/ruby-sdk-contrib/providers/openfeature-flagd-provider"
+  spec.metadata["source_code_uri"] = "https://github.com/open-feature/ruby-sdk-contrib/tree/main/providers/openfeature-flagd-provider"
   spec.metadata["changelog_uri"] = "https://github.com/open-feature/ruby-sdk-contrib/blob/main/providers/openfeature-flagd-provider/CHANGELOG.md"
   spec.metadata["bug_tracker_uri"] = "https://github.com/open-feature/ruby-sdk-contrib/issues"
-  spec.metadata["documentation_uri"] = "https://github.com/open-feature/ruby-sdk-contrib/README.md"
+  spec.metadata["documentation_uri"] = "https://github.com/open-feature/ruby-sdk-contrib/tree/main/providers/openfeature-flagd-provider/README.md"
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.