Bump gson from 2.9.0 to 2.10 in /api-first-client (#28)

Bumps [gson](https://github.com/google/gson) from 2.9.0 to 2.10.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/master/CHANGELOG.md)
- [Commits](google/gson@gson-parent-2.9.0...gson-parent-2.10)

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

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Author: dependabot[bot]

api-first-client/pom.xml

@@ -19,7 +19,7 @@
 		<springfox-version>3.0.0</springfox-version>
 		<jackson-databind-nullable>0.2.4</jackson-databind-nullable>
 		<okhttp.version>4.10.0</okhttp.version>
-		<gson.version>2.9.0</gson.version>
+		<gson.version>2.10</gson.version>
 	</properties>
 
 	<dependencies>