Bump gson from 2.9.0 to 2.9.1

Bumps [gson](https://github.com/google/gson) from 2.9.0 to 2.9.1.
- [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-2.9.1)

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

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

Author: dependabot[bot]

pom.xml

@@ -68,7 +68,7 @@
     <amqp-client.version>5.15.0</amqp-client.version>
     <commons-lang3.version>3.12.0</commons-lang3.version>
     <commons-codec.version>1.15</commons-codec.version>
-    <gson.version>2.9.0</gson.version>
+    <gson.version>2.9.1</gson.version>
     <vavr.version>0.10.4</vavr.version>
     <paho.version>1.2.5</paho.version>
     <maven.compiler.plugin.version>3.10.1</maven.compiler.plugin.version>