Bump maven.version from 3.8.4 to 3.8.6

Bumps `maven.version` from 3.8.4 to 3.8.6.

Updates `maven-artifact` from 3.8.4 to 3.8.6
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.8.4...maven-3.8.6)

Updates `maven-core` from 3.8.4 to 3.8.6
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.8.4...maven-3.8.6)

Updates `maven-model` from 3.8.4 to 3.8.6
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.8.4...maven-3.8.6)

Updates `maven-plugin-api` from 3.8.4 to 3.8.6
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.8.4...maven-3.8.6)

Updates `maven-resolver-provider` from 3.8.4 to 3.8.6
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.8.4...maven-3.8.6)

Updates `maven-settings` from 3.8.4 to 3.8.6
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.8.4...maven-3.8.6)

---
updated-dependencies:
- dependency-name: org.apache.maven:maven-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-model
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-plugin-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-resolver-provider
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-settings
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -107,7 +107,7 @@
     <mariadb.version>3.0.5</mariadb.version>
     <mariadb.docker.version>10.3.6</mariadb.docker.version>
     <maven.resolver.version>1.8.1</maven.resolver.version>
-    <maven.version>3.8.4</maven.version>
+    <maven.version>3.8.6</maven.version>
     <mongodb.version>3.12.11</mongodb.version>
     <openpojo.version>0.9.1</openpojo.version>
     <org.osgi.annotation.version>8.1.0</org.osgi.annotation.version>