Bump kotlin.version from 1.5.20 to 1.5.21 (#49)

Bumps `kotlin.version` from 1.5.20 to 1.5.21.

Updates `kotlin-stdlib` from 1.5.20 to 1.5.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v1.5.21/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.5.20...v1.5.21)

Updates `kotlin-test-junit` from 1.5.20 to 1.5.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v1.5.21/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.5.20...v1.5.21)

Updates `kotlin-maven-plugin` from 1.5.20 to 1.5.21

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-test-junit
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

set version of setup-java to 1.4.3

Update release.yml

Update release.yml

Update release.yml

Update release.yml

update README.md

Merge remote-tracking branch 'origin/master'

# Conflicts:
#	pom.xml

release 0.1.3

Release 1.1.2