Release v6.0.2

Improve gem push workflow security and reliability

Fix RBS syntax error

Release v6.0.1

Add mutant to default rake task and pass --since main flag

Reduce gem package size by excluding non-essential files

Switch gem release to OIDC API key role with JRuby support

Release v6.0.0

Merge form_data into http

Override release task to skip gem push (handled by CI)

Convert test suite from Minitest::Spec DSL to Minitest::Test

Ship sig/http.rbs type signatures in the gem

Switch mutant operators from light to full and kill surviving mutants

Add JRuby support and automated gem release workflow

Add upgrading guide