fix(deps): update module github.com/fluxcd/kustomize-controller/api to v1.8.4

| datasource | package                                    | from   | to     |
| ---------- | ------------------------------------------ | ------ | ------ |
| go         | github.com/fluxcd/kustomize-controller/api | v1.8.3 | v1.8.4 |


Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

go.mod

@@ -4,7 +4,7 @@ go 1.25.7
 
 require (
 	github.com/alecthomas/kong v1.15.0
-	github.com/fluxcd/kustomize-controller/api v1.8.3
+	github.com/fluxcd/kustomize-controller/api v1.8.4
 	github.com/fluxcd/source-controller/api v1.8.2
 	github.com/go-logr/logr v1.4.3
 	github.com/go-slog/otelslog v0.3.0

go.sum

@@ -30,8 +30,8 @@ github.com/evanphx/json-patch/v5 v5.9.11 h1:/8HVnzMq13/3x9TPvjG08wUGqBTmZBsCWzjT
 github.com/evanphx/json-patch/v5 v5.9.11/go.mod h1:3j+LviiESTElxA4p3EMKAB9HXj3/XEtnUf6OZxqIQTM=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
-github.com/fluxcd/kustomize-controller/api v1.8.3 h1:Ux9AAOY0lkP6FgRg5/b/ITvRSy8lz6VBBaZ9bXmTLmI=
-github.com/fluxcd/kustomize-controller/api v1.8.3/go.mod h1:c/mUPIffDDLg1EicXCJtX4N/rc+z5Zh0e/CXjhd7Dyc=
+github.com/fluxcd/kustomize-controller/api v1.8.4 h1:13+9CgxGj67Bn7wzFILw8S4r4urEgiLTODwjA4XU0mU=
+github.com/fluxcd/kustomize-controller/api v1.8.4/go.mod h1:c/mUPIffDDLg1EicXCJtX4N/rc+z5Zh0e/CXjhd7Dyc=
 github.com/fluxcd/pkg/apis/acl v0.9.0 h1:wBpgsKT+jcyZEcM//OmZr9RiF8klL3ebrDp2u2ThsnA=
 github.com/fluxcd/pkg/apis/acl v0.9.0/go.mod h1:TttNS+gocsGLwnvmgVi3/Yscwqrjc17+vhgYfqkfrV4=
 github.com/fluxcd/pkg/apis/kustomize v1.15.1 h1:t9QZh+3ZS8EKmlxrnnbcKZcGTrg8FDvMF1T8BHMCuqI=
@@ -246,16 +246,12 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools/v3 v3.5.2 h1:7koQfIKdy+I8UTetycgUqXWSDwpgv193Ka+qRsmBY8Q=
 gotest.tools/v3 v3.5.2/go.mod h1:LtdLGcnqToBH83WByAAi/wiwSFCArdFIUV/xxN4pcjA=
-k8s.io/api v0.35.3 h1:pA2fiBc6+N9PDf7SAiluKGEBuScsTzd2uYBkA5RzNWQ=
-k8s.io/api v0.35.3/go.mod h1:9Y9tkBcFwKNq2sxwZTQh1Njh9qHl81D0As56tu42GA4=
 k8s.io/api v0.35.4 h1:P7nFYKl5vo9AGUp1Z+Pmd3p2tA7bX2wbFWCvDeRv988=
 k8s.io/api v0.35.4/go.mod h1:yl4lqySWOgYJJf9RERXKUwE9g2y+CkuwG+xmcOK8wXU=
 k8s.io/apiextensions-apiserver v0.35.2 h1:iyStXHoJZsUXPh/nFAsjC29rjJWdSgUmG1XpApE29c0=
 k8s.io/apiextensions-apiserver v0.35.2/go.mod h1:OdyGvcO1FtMDWQ+rRh/Ei3b6X3g2+ZDHd0MSRGeS8rU=
 k8s.io/apimachinery v0.35.4 h1:xtdom9RG7e+yDp71uoXoJDWEE2eOiHgeO4GdBzwWpds=
 k8s.io/apimachinery v0.35.4/go.mod h1:NNi1taPOpep0jOj+oRha3mBJPqvi0hGdaV8TCqGQ+cc=
-k8s.io/client-go v0.35.3 h1:s1lZbpN4uI6IxeTM2cpdtrwHcSOBML1ODNTCCfsP1pg=
-k8s.io/client-go v0.35.3/go.mod h1:RzoXkc0mzpWIDvBrRnD+VlfXP+lRzqQjCmKtiwZ8Q9c=
 k8s.io/client-go v0.35.4 h1:DN6fyaGuzK64UvnKO5fOA6ymSjvfGAnCAHAR0C66kD8=
 k8s.io/client-go v0.35.4/go.mod h1:2Pg9WpsS4NeOpoYTfHHfMxBG8zFMSAUi4O/qoiJC3nY=
 k8s.io/klog/v2 v2.130.1 h1:n9Xl7H1Xvksem4KFG4PYbdQCQxqc/tTUyrgXaOhHSzk=