chore: only appraise anthropic on ruby >= 3.2

Author: robertlaurin

instrumentation/anthropic/Appraisals

@@ -4,10 +4,13 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-appraise 'anthropic-latest' do
-  gem 'anthropic'
-end
+# Anthropic gem requires Ruby 3.2
+if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('3.2.0')
+  appraise 'anthropic-latest' do
+    gem 'anthropic'
+  end
 
-appraise 'anthropic-1.9.0' do
-  gem 'anthropic', '~> 1.9.0'
-end
+  appraise 'anthropic-1.9.0' do
+    gem 'anthropic', '~> 1.9.0'
+  end
+end