build(deps): bump checker-qual from 3.21.3 to 3.21.4

Bumps [checker-qual](https://github.com/typetools/checker-framework) from 3.21.3 to 3.21.4.
- [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-3.21.3...checker-framework-3.21.4)

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

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

spotbugsTestCases/build.gradle

@@ -24,7 +24,7 @@ dependencies {
   api 'net.jcip:jcip-annotations:1.0'
   implementation 'org.springframework:spring-core:5.3.17'
   compileOnly 'javax.annotation:javax.annotation-api:1.3.2'
-  implementation 'org.checkerframework:checker-qual:3.21.3'
+  implementation 'org.checkerframework:checker-qual:3.21.4'
 
   implementation 'junit:junit:4.13.2'
   implementation 'org.testng:testng:7.5'