🌱 Bump sigs.k8s.io/controller-runtime in /testdata/project-v4

Bumps [sigs.k8s.io/controller-runtime](https://github.com/kubernetes-sigs/controller-runtime) from 0.20.2 to 0.20.3.
- [Release notes](https://github.com/kubernetes-sigs/controller-runtime/releases)
- [Changelog](https://github.com/kubernetes-sigs/controller-runtime/blob/main/RELEASE.md)
- [Commits](kubernetes-sigs/controller-runtime@v0.20.2...v0.20.3)

---
updated-dependencies:
- dependency-name: sigs.k8s.io/controller-runtime
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

testdata/project-v4/go.mod

@@ -11,7 +11,7 @@ require (
 	k8s.io/api v0.32.1
 	k8s.io/apimachinery v0.32.1
 	k8s.io/client-go v0.32.1
-	sigs.k8s.io/controller-runtime v0.20.2
+	sigs.k8s.io/controller-runtime v0.20.3
 )
 
 require (