Bump the maven-dependencies group with 2 updates

Bumps the maven-dependencies group with 2 updates: [org.apache.maven.plugins:maven-surefire-plugin](https://github.com/apache/maven-surefire) and [io.projectreactor:reactor-core](https://github.com/reactor/reactor-core).


Updates `org.apache.maven.plugins:maven-surefire-plugin` from 3.3.0 to 3.3.1
- [Release notes](https://github.com/apache/maven-surefire/releases)
- [Commits](apache/maven-surefire@surefire-3.3.0...surefire-3.3.1)

Updates `io.projectreactor:reactor-core` from 3.6.7 to 3.6.8
- [Release notes](https://github.com/reactor/reactor-core/releases)
- [Commits](reactor/reactor-core@v3.6.7...v3.6.8)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-surefire-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: maven-dependencies
- dependency-name: io.projectreactor:reactor-core
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: maven-dependencies
...

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

kotlin/pom.xml

@@ -42,7 +42,7 @@
     <dependency>
       <groupId>io.projectreactor</groupId>
       <artifactId>reactor-core</artifactId>
-      <version>3.6.7</version>
+      <version>3.6.8</version>
       <scope>test</scope>
     </dependency>
   </dependencies>

pom.xml

@@ -79,7 +79,7 @@
         <maven-javadoc.version>3.5.0</maven-javadoc.version>
         <maven-release.version>3.1.0</maven-release.version>
         <maven-source.version>3.3.1</maven-source.version>
-        <maven-surefire.version>3.3.0</maven-surefire.version>
+        <maven-surefire.version>3.3.1</maven-surefire.version>
         <maven-resources.version>3.3.1</maven-resources.version>
         <!--
         Deactivate dokka by default, and make the build faster for all projects.