chore: update dependency com.google.code.gson:gson to v2.12.0 (#1584)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.code.gson:gson](https://redirect.github.com/google/gson) |
`2.11.0` -> `2.12.0` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.code.gson:gson/2.12.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.code.gson:gson/2.12.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.code.gson:gson/2.11.0/2.12.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.code.gson:gson/2.11.0/2.12.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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gradle/libs.versions.toml

@@ -9,7 +9,7 @@ nexusPublish = "2.0.0"
 checkstyleTools = "10.21.2"
 
 # google libs
-gson = "2.11.0"
+gson = "2.12.0"
 guava = "33.4.0-jre"
 
 # testing