Bump com.google.code.gson:gson from 2.12.1 to 2.13.1

Bumps [com.google.code.gson:gson](https://github.com/google/gson) from 2.12.1 to 2.13.1.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/main/CHANGELOG.md)
- [Commits](google/gson@gson-parent-2.12.1...gson-parent-2.13.1)

---
updated-dependencies:
- dependency-name: com.google.code.gson:gson
  dependency-version: 2.13.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -67,7 +67,7 @@ ext {
 
 dependencies {
   compileOnly project.deps.gocdPluginApi
-  implementation group: 'com.google.code.gson', name: 'gson', version: '2.12.1'
+  implementation group: 'com.google.code.gson', name: 'gson', version: '2.13.1'
   implementation group: 'com.squareup.okhttp3', name: 'okhttp', version: '4.12.0'
 
   testImplementation project.deps.gocdPluginApi