chore(deps): bump gson from 2.9.0 to 2.9.1 (googlemaps#864)

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:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

build.gradle

@@ -53,7 +53,7 @@ artifacts {
 dependencies {
     compileOnly 'com.google.appengine:appengine-api-1.0-sdk:2.0.4'
     api 'com.squareup.okhttp3:okhttp:4.10.0'
-    api 'com.google.code.gson:gson:2.9.0'
+    api 'com.google.code.gson:gson:2.9.1'
     api 'io.opencensus:opencensus-api:0.31.0'
     implementation 'org.slf4j:slf4j-api:2.0.3'
     testImplementation 'junit:junit:4.13.2'