v6.2.0 - Java 22, minor cleanups

What's Changed

• update to Java 22 by @mrbusche in #409
• Minor clean ups by @mrbusche in #408
• Update actions/checkout digest to a5ac7e5 by @renovate in #402
• Update plugin org.springframework.boot to v3.3.0 by @renovate in #403
• Update dependency gradle to v8.8-rc-2 by @renovate in #404
• Update dependency gradle to v8.8 by @renovate in #405
• Update actions/checkout digest to 692973e by @renovate in #407

Full Changelog: v6.1.1...v6.2.0