(v4.1.x): Bump com.google.code.findbugs:annotations

Bumps [com.google.code.findbugs:annotations](https://github.com/findbugsproject/findbugs) from 3.0.1 to 3.0.1u2.
- [Release notes](https://github.com/findbugsproject/findbugs/releases)
- [Commits](https://github.com/findbugsproject/findbugs/commits)

---
updated-dependencies:
- dependency-name: com.google.code.findbugs:annotations
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -26,7 +26,7 @@ buildscript {
 		springCloudContractVersion = "4.0.4"
 		javaHamcrestVersion = "2.0.0.0"
 		equalsVerifierVersion = "3.15.1"
-		findbugsVersion = "3.0.1"
+		findbugsVersion = "3.0.1u2"
 		wiremockStandaloneVersion = "3.0.1"
 
 		// Static Analysis