Bump sigs.k8s.io/controller-runtime from 0.20.4 to 0.21.0 (#323)

Bumps [sigs.k8s.io/controller-runtime](https://github.com/kubernetes-sigs/controller-runtime) from 0.20.4 to 0.21.0.
- [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@v0.20.4...v0.21.0)

---
updated-dependencies:
- dependency-name: sigs.k8s.io/controller-runtime
  dependency-version: 0.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

go.mod

@@ -24,7 +24,7 @@ require (
 	k8s.io/api v0.33.1
 	k8s.io/apimachinery v0.33.1
 	k8s.io/client-go v0.33.1
-	sigs.k8s.io/controller-runtime v0.20.4
+	sigs.k8s.io/controller-runtime v0.21.0
 )
 
 require (

go.sum

@@ -298,8 +298,8 @@ k8s.io/utils v0.0.0-20241104100929-3ea5e8cea738 h1:M3sRQVHv7vB20Xc2ybTt7ODCeFj6J
 k8s.io/utils v0.0.0-20241104100929-3ea5e8cea738/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.31.2 h1:jpcvIRr3GLoUoEKRkHKSmGjxb6lWwrBlJsXc+eUYQHM=
 sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.31.2/go.mod h1:Ve9uj1L+deCXFrPOk1LpFXqTg7LCFzFso6PA48q/XZw=
-sigs.k8s.io/controller-runtime v0.20.4 h1:X3c+Odnxz+iPTRobG4tp092+CvBU9UK0t/bRf+n0DGU=
-sigs.k8s.io/controller-runtime v0.20.4/go.mod h1:xg2XB0K5ShQzAgsoujxuKN4LNXR2LfwwHsPj7Iaw+XY=
+sigs.k8s.io/controller-runtime v0.21.0 h1:CYfjpEuicjUecRk+KAeyYh+ouUBn4llGyDYytIGcJS8=
+sigs.k8s.io/controller-runtime v0.21.0/go.mod h1:OSg14+F65eWqIu4DceX7k/+QRAbTTvxeQSNSOQpukWM=
 sigs.k8s.io/json v0.0.0-20241010143419-9aa6b5e7a4b3 h1:/Rv+M11QRah1itp8VhT6HoVx1Ray9eB4DBr+K+/sCJ8=
 sigs.k8s.io/json v0.0.0-20241010143419-9aa6b5e7a4b3/go.mod h1:18nIHnGi6636UCz6m8i4DhaJ65T6EruyzmoQqI2BVDo=
 sigs.k8s.io/randfill v0.0.0-20250304075658-069ef1bbf016/go.mod h1:XeLlZ/jmk4i1HRopwe7/aU3H5n1zNUcX6TM94b3QxOY=