AWS Lambda Runtime Interface Client for Ruby v3.0.0

What's Changed

• fix send_error_response method signature by @djpate in #16
• Add "require 'stringio'" by @jordan-brough in #20
• CentOS 8 is EOL, stop testing on centOS 8 by @keshayad in #21
• Update rbenv & ruby-build github URLs by @keshayad in #22
• Create pull request template. by @briensea in #29
• Version 3 by @mullermp in #38
• V3 Readme Update by @M-Elsaeed in #39
• V3 Readme Update by @M-Elsaeed in #40

New Contributors

• @djpate made their first contribution in #16
• @jordan-brough made their first contribution in #20
• @briensea made their first contribution in #29
• @mullermp made their first contribution in #38
• @M-Elsaeed made their first contribution in #39

Full Changelog: 2.0.0...3.0.0