Bump quarkus.platform.version from 3.11.1 to 3.11.2 in /backend (#85)

Bumps `quarkus.platform.version` from 3.11.1 to 3.11.2.

Updates `io.quarkus.platform:quarkus-bom` from 3.11.1 to 3.11.2
- [Commits](quarkusio/quarkus-platform@3.11.1...3.11.2)

Updates `io.quarkus.platform:quarkus-maven-plugin` from 3.11.1 to 3.11.2
- [Commits](quarkusio/quarkus-platform@3.11.1...3.11.2)

---
updated-dependencies:
- dependency-name: io.quarkus.platform:quarkus-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: io.quarkus.platform:quarkus-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

backend/pom.xml

@@ -13,7 +13,7 @@
 
     <quarkus.platform.artifact-id>quarkus-bom</quarkus.platform.artifact-id>
     <quarkus.platform.group-id>io.quarkus.platform</quarkus.platform.group-id>
-    <quarkus.platform.version>3.11.1</quarkus.platform.version>
+    <quarkus.platform.version>3.11.2</quarkus.platform.version>
 
     <compiler-plugin.version>3.13.0</compiler-plugin.version>
     <surefire-plugin.version>3.2.5</surefire-plugin.version>