feat: remove unused gemfile.lock files

(#123)

Co-authored-by: Benjamin Mathieu <benjamin.mathieu@mobi.ch>

tasks/package.rake

@@ -200,6 +200,9 @@ def remove_unnecessary_files package_dir
   sh "find #{package_dir}/lib/vendor/ruby -name '*.css' | xargs rm -f"
   sh "find #{package_dir}/lib/vendor/ruby -name '*.svg' | xargs rm -f"
 
+  # Remove unused Gemfile.lock files
+  sh "find #{package_dir}/lib/vendor/ruby -name 'Gemfile.lock' | xargs rm -f"
+
   # Uncommonly used encodings
   sh "rm -f #{package_dir}/lib/ruby/lib/ruby/*/*/enc/cp949*"
   sh "rm -f #{package_dir}/lib/ruby/lib/ruby/*/*/enc/euc_*"
@@ -249,4 +252,4 @@ def install_plugin_cli(package_dir, package_target)
     sh "gunzip -N -f #{package_dir}/bin/pact-plugin-cli.exe.gz"
     sh "chmod +x #{package_dir}/bin/pact-plugin-cli.exe"
   end
-end
+end