build(deps): bump org.jetbrains:annotations in /backend

Bumps [org.jetbrains:annotations](https://github.com/JetBrains/java-annotations) from 24.0.1 to 24.1.0.
- [Release notes](https://github.com/JetBrains/java-annotations/releases)
- [Changelog](https://github.com/JetBrains/java-annotations/blob/master/CHANGELOG.md)
- [Commits](JetBrains/java-annotations@24.0.1...24.1.0)

---
updated-dependencies:
- dependency-name: org.jetbrains:annotations
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

backend/pom.xml

@@ -20,7 +20,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven-surefire-plugin.version>3.1.2</maven-surefire-plugin.version>
         <maven-failsafe-plugin.version>3.0.0-M7</maven-failsafe-plugin.version>
-        <jetbrains-annotations.version>24.0.1</jetbrains-annotations.version>
+        <jetbrains-annotations.version>24.1.0</jetbrains-annotations.version>
 
         <!-- SPRING BOOT -->
         <spring-boot.version>3.1.5</spring-boot.version>