Bump gson from 2.8.9 to 2.9.0

Bumps [gson](https://github.com/google/gson) from 2.8.9 to 2.9.0.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/master/CHANGELOG.md)
- [Commits](google/gson@gson-parent-2.8.9...gson-parent-2.9.0)

---
updated-dependencies:
- dependency-name: com.google.code.gson:gson
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -7,7 +7,7 @@
     <properties>
         <jackson2.version>2.13.1</jackson2.version>
         <moshi.version>1.13.0</moshi.version>
-        <gson.version>2.8.9</gson.version>
+        <gson.version>2.9.0</gson.version>
         <hamcrest.version>2.2</hamcrest.version>
         <johnzon.version>1.2.15</johnzon.version>
         <geronimo.jsonp.version>1.5</geronimo.jsonp.version>