Bump feign-gson from 11.8 to 11.9 (triplea-game#10793)

Bumps [feign-gson](https://github.com/openfeign/feign) from 11.8 to 11.9.
- [Release notes](https://github.com/openfeign/feign/releases)
- [Changelog](https://github.com/OpenFeign/feign/blob/master/CHANGELOG.md)
- [Commits](OpenFeign/feign@11.8...11.9)

---
updated-dependencies:
- dependency-name: io.github.openfeign:feign-gson
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -76,7 +76,7 @@ subprojects {
         dropwizardWebsocketsVersion = '1.3.14'
         equalsVerifierVersion = '3.10'
         feignCoreVersion = '11.9'
-        feignGsonVersion = '11.8'
+        feignGsonVersion = '11.9'
         javaWebSocketVersion = '1.5.3'
         gsonVersion = '2.9.0'
         guavaVersion = '31.1-jre'
@@ -97,7 +97,7 @@ subprojects {
         junitPlatformLauncherVersion = '1.8.2'
         logbackClassicVersion = '1.2.11'
         mockitoVersion = '4.6.1'
-        openFeignVersion = '11.8'
+        openFeignVersion = '11.9'
         postgresqlVersion = '42.4.0'
         snakeYamlVersion = '2.3'
         sonatypeGoodiesPrefsVersion = '2.3.4'