feat: update helm/helm to v3.20.0 #minor

Author: public-glueops-renovatebot[bot]

.devcontainer/Dockerfile

@@ -15,7 +15,7 @@ ARG VERSION_KUBECTL=1.32.9
 # renovate: datasource=github-tags depName=opentofu/opentofu
 ARG VERSION_OPENTOFU=1.10.7
 # renovate: datasource=github-tags depName=helm/helm
-ARG VERSION_HELM=3.19.2
+ARG VERSION_HELM=3.20.0
 # renovate: datasource=github-tags depName=kubernetes-sigs/kind
 ARG VERSION_KIND=0.30.0
 # renovate: datasource=github-tags depName=derailed/k9s