chore(deps): update dependency org.apache.maven.plugins:maven-surefire-plugin to v3.5.6

| datasource | package                                        | from  | to    |
| ---------- | ---------------------------------------------- | ----- | ----- |
| maven      | org.apache.maven.plugins:maven-surefire-plugin | 3.5.5 | 3.5.6 |

Author: renovate[bot]

pom.xml

@@ -104,7 +104,7 @@
         <exec-maven-plugin.version>3.6.3</exec-maven-plugin.version>
         <maven-gpg-plugin.version>3.2.8</maven-gpg-plugin.version>
         <maven-release-plugin.version>3.3.1</maven-release-plugin.version>
-        <maven-surefire-plugin.version>3.5.5</maven-surefire-plugin.version>
+        <maven-surefire-plugin.version>3.5.6</maven-surefire-plugin.version>
         <maven-compiler-plugin.version>3.15.0</maven-compiler-plugin.version>
         <versions-maven-plugin.version>2.8.1</versions-maven-plugin.version>
         <spotless-maven-plugin.version>3.5.1</spotless-maven-plugin.version>