Bump fluxcd/helm-controller to latest release

Author: eks-distro-pr-bot

UPSTREAM_PROJECTS.yaml

@@ -109,7 +109,7 @@ projects:
             go_version: "1.25"
       - name: helm-controller
         versions:
-          - tag: v1.4.0
+          - tag: v1.4.5
             go_version: "1.25"
       - name: kustomize-controller
         versions: