chore(deps)(deps): bump plugin.jpa from 2.1.10 to 2.2.0 in /Backend

Bumps [plugin.jpa](https://github.com/JetBrains/kotlin) from 2.1.10 to 2.2.0.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.2.0/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.10...v2.2.0)

---
updated-dependencies:
- dependency-name: plugin.jpa
  dependency-version: 2.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Backend/build.gradle.kts

@@ -1,7 +1,7 @@
 plugins {
     kotlin("jvm") version "2.1.10" apply true
     kotlin("plugin.spring") version "2.2.0" apply true
-    kotlin("plugin.jpa") version "2.1.10" apply true
+    kotlin("plugin.jpa") version "2.2.0" apply true
     id("org.springframework.boot") version "3.4.3"
     id("io.spring.dependency-management") version "1.1.7"
     id("com.netflix.dgs.codegen") version "8.1.1"