chore(deps): update dependency helmfile/helmfile to v1.1.8 (#179)

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

Author: renovate[bot]

Dockerfile

@@ -3,7 +3,7 @@ FROM docker.io/library/alpine:3.22
 # renovate: datasource=github-releases depName=helm/helm
 ENV HELM_VERSION=v3.18.6
 # renovate: datasource=github-releases depName=helmfile/helmfile
-ENV HELMFILE_VERSION=v1.1.7
+ENV HELMFILE_VERSION=v1.1.8
 # renovate: datasource=github-releases depName=mozilla/sops
 ENV SOPS_VERSION=v3.10.2
 # renovate: datasource=github-releases depName=kubernetes/kubernetes