chore(deps): update dependency org.apache.maven.plugins:maven-surefire-plugin to v3.0.0-m6 (#865)

[![WhiteSource Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [org.apache.maven.plugins:maven-surefire-plugin](https://maven.apache.org/surefire/) | `3.0.0-M5` -> `3.0.0-M6` | [![age](https://badges.renovateapi.com/packages/maven/org.apache.maven.plugins:maven-surefire-plugin/3.0.0-M6/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/org.apache.maven.plugins:maven-surefire-plugin/3.0.0-M6/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/org.apache.maven.plugins:maven-surefire-plugin/3.0.0-M6/compatibility-slim/3.0.0-M5)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/org.apache.maven.plugins:maven-surefire-plugin/3.0.0-M6/confidence-slim/3.0.0-M5)](https://docs.renovatebot.com/merge-confidence/) |

---

### Configuration

📅 **Schedule**: At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/google-oauth-java-client).

Author: renovate-bot

pom.xml

@@ -244,7 +244,7 @@
         </plugin>
         <plugin>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>3.0.0-M5</version>
+          <version>3.0.0-M6</version>
           <configuration>
             <argLine>-Xmx1024m</argLine>
             <reportNameSuffix>sponge_log</reportNameSuffix>