build(deps): bump kotlin.version from 1.6.21 to 1.7.0

Bumps `kotlin.version` from 1.6.21 to 1.7.0.

Updates `kotlin-bom` from 1.6.21 to 1.7.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

Updates `kotlin-maven-allopen` from 1.6.21 to 1.7.0

Updates `kotlin-maven-noarg` from 1.6.21 to 1.7.0

Updates `kotlin-maven-plugin` from 1.6.21 to 1.7.0

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlin:kotlin-maven-allopen
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlin:kotlin-maven-noarg
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlin:kotlin-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -26,7 +26,7 @@
     <spin.version>1.16.0</spin.version>
     <camunda-assert.version>15.0.0</camunda-assert.version>
 
-    <kotlin.version>1.6.21</kotlin.version>
+    <kotlin.version>1.7.0</kotlin.version>
     <jgiven.version>1.2.2</jgiven.version>
     <kotlin.compiler.incremental>true</kotlin.compiler.incremental>