Bump version.kotlin from 1.6.21 to 1.7.0

Bumps `version.kotlin` from 1.6.21 to 1.7.0.

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

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib
  dependency-type: direct:development
  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] <support@github.com>

pom.xml

@@ -37,7 +37,7 @@
         <version.javapoet>1.13.0</version.javapoet>
         <version.jboss-logging>3.4.3.Final</version.jboss-logging>
         <version.jboss-logging-tools>2.2.1.Final</version.jboss-logging-tools>
-        <version.kotlin>1.6.21</version.kotlin>
+        <version.kotlin>1.7.0</version.kotlin>
         <version.kotlin-dokka>1.6.21</version.kotlin-dokka>
         <version.kotlinx-coroutines>1.6.2</version.kotlinx-coroutines>
         <version.microprofile-fault-tolerance>3.0</version.microprofile-fault-tolerance>