🌱 Update databus23/helm-diff to 3.8.0

| datasource  | package             | from  | to    |
| ----------- | ------------------- | ----- | ----- |
| github-tags | databus23/helm-diff | 3.6.0 | 3.8.0 |

Author: syself-bot[bot]

Dockerfile

@@ -12,7 +12,7 @@ ARG HELM_FILENAME="helm-${HELM_VERSION}-linux-amd64.tar.gz"
 # renovate: datasource=github-tags depName=mozilla/sops
 ARG SOPS_VERSION=3.7.3
 # renovate: datasource=github-tags depName=databus23/helm-diff extractVersion=^v(?<version>.*)$
-ARG HELM_DIFF_VERSION=3.6.0
+ARG HELM_DIFF_VERSION=3.8.0
 # renovate: datasource=github-tags depName=jkroepke/helm-secrets extractVersion=^v(?<version>.*)$
 ARG HELM_SECRETS_VERSION=4.2.2
 # renovate: datasource=github-tags depName=kubernetes/kubernetes extractVersion=^v(?<version>.*)$