build(deps): update module sigs.k8s.io/controller-runtime to v0.20.4 (#1067)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

go.mod

@@ -20,7 +20,7 @@ require (
 	k8s.io/apiserver v0.32.3
 	k8s.io/client-go v0.32.3
 	k8s.io/utils v0.0.0-20250321185631-1f6e0b77f77e
-	sigs.k8s.io/controller-runtime v0.20.3
+	sigs.k8s.io/controller-runtime v0.20.4
 )
 
 // CEL needs to be pinned to the same version as the one used by the k8s.io/apiserver package

go.sum

@@ -348,6 +348,8 @@ k8s.io/utils v0.0.0-20250321185631-1f6e0b77f77e h1:KqK5c/ghOm8xkHYhlodbp6i6+r+Ch
 k8s.io/utils v0.0.0-20250321185631-1f6e0b77f77e/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 sigs.k8s.io/controller-runtime v0.20.3 h1:I6Ln8JfQjHH7JbtCD2HCYHoIzajoRxPNuvhvcDbZgkI=
 sigs.k8s.io/controller-runtime v0.20.3/go.mod h1:xg2XB0K5ShQzAgsoujxuKN4LNXR2LfwwHsPj7Iaw+XY=
+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/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/structured-merge-diff/v4 v4.4.2 h1:MdmvkGuXi/8io6ixD5wud3vOLwc1rj0aNqRlpuvjmwA=