build(deps): bump helm.sh/helm/v3 from 3.18.3 to 3.18.4

Bumps [helm.sh/helm/v3](https://github.com/helm/helm) from 3.18.3 to 3.18.4.
- [Release notes](https://github.com/helm/helm/releases)
- [Commits](https://github.com/helm/helm/compare/v3.18.3...v3.18.4)

---
updated-dependencies:
- dependency-name: helm.sh/helm/v3
  dependency-version: 3.18.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/spf13/cobra v1.9.1
 	github.com/spf13/pflag v1.0.6
 	golang.org/x/sync v0.15.0
-	helm.sh/helm/v3 v3.18.3
+	helm.sh/helm/v3 v3.18.4
 	k8s.io/api v0.33.2
 	k8s.io/apiextensions-apiserver v0.33.2
 	k8s.io/apimachinery v0.33.2

go.sum

@@ -432,8 +432,8 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-helm.sh/helm/v3 v3.18.3 h1:+cvyGKgs7Jt7BN3Klmb4SsG4IkVpA7GAZVGvMz6VO4I=
-helm.sh/helm/v3 v3.18.3/go.mod h1:wUc4n3txYBocM7S9RjTeZBN9T/b5MjffpcSsWEjSIpw=
+helm.sh/helm/v3 v3.18.4 h1:pNhnHM3nAmDrxz6/UC+hfjDY4yeDATQCka2/87hkZXQ=
+helm.sh/helm/v3 v3.18.4/go.mod h1:WVnwKARAw01iEdjpEkP7Ii1tT1pTPYfM1HsakFKM3LI=
 k8s.io/api v0.33.2 h1:YgwIS5jKfA+BZg//OQhkJNIfie/kmRsO0BmNaVSimvY=
 k8s.io/api v0.33.2/go.mod h1:fhrbphQJSM2cXzCWgqU29xLDuks4mu7ti9vveEnpSXs=
 k8s.io/apiextensions-apiserver v0.33.2 h1:6gnkIbngnaUflR3XwE1mCefN3YS8yTD631JXQhsU6M8=