Bump org.checkerframework:checker-qual in /apps/backend

Bumps [org.checkerframework:checker-qual](https://github.com/typetools/checker-framework) from 3.40.0 to 3.42.0.
- [Release notes](https://github.com/typetools/checker-framework/releases)
- [Changelog](https://github.com/typetools/checker-framework/blob/master/docs/CHANGELOG.md)
- [Commits](typetools/checker-framework@checker-framework-3.40.0...checker-framework-3.42.0)

---
updated-dependencies:
- dependency-name: org.checkerframework:checker-qual
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

apps/backend/pom.xml

@@ -30,7 +30,7 @@
         <postgresql.version>42.7.0</postgresql.version>
 
         <!-- transitive versions -->
-        <checker-qual.version>3.40.0</checker-qual.version>
+        <checker-qual.version>3.42.0</checker-qual.version>
         <commons-compress.version>1.25.0</commons-compress.version>
         <commons-io.version>2.15.1</commons-io.version>
         <guava.version>32.1.3-jre</guava.version>