v1.5.1

What's Changed

• Compile against Java 16 language level to avoid problems for some users installing tool on FE2 Host (Container still Java 17)
• Bump org.springframework.boot from 2.5.5 to 2.5.6 by @dependabot in #74
• Bump actions/checkout from 2.3.5 to 2.4.0 by @dependabot in #75

Full Changelog: v1.5.0...v1.5.1