Bump com.mycila:license-maven-plugin from 4.5 to 4.6

Bumps [com.mycila:license-maven-plugin](https://github.com/mathieucarbou/license-maven-plugin) from 4.5 to 4.6.
- [Release notes](https://github.com/mathieucarbou/license-maven-plugin/releases)
- [Commits](mathieucarbou/license-maven-plugin@license-maven-plugin-4.5...license-maven-plugin-4.6)

---
updated-dependencies:
- dependency-name: com.mycila:license-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -298,7 +298,7 @@
     <maven-dependency.version>3.7.1</maven-dependency.version>
     <maven-jacoco.version>0.8.12</maven-jacoco.version>
     <maven-jar.version>3.4.2</maven-jar.version>
-    <maven-license.version>4.5</maven-license.version>
+    <maven-license.version>4.6</maven-license.version>
     <maven-project.version>2.2.1</maven-project.version>
     <maven-python-test.version>1.0</maven-python-test.version>
     <maven-shade.version>3.6.0</maven-shade.version>