Update dependency helm/helm to v3.21.2

Dockerfile

@@ -3,9 +3,19 @@ FROM ${NODE_IMAGE} AS webssh2-builder
 
 ENV DEBIAN_FRONTEND=noninteractive
 
+# renovate: datasource=github-releases depName=janosmiko/lfk
+ARG LFK_VERSION=0.14.9
+# renovate: datasource=github-releases depName=kubernetes/kubernetes
+ARG KUBECTL_VERSION=1.31.0
+# renovate: datasource=github-releases depName=helm/helm
+ARG HELM_VERSION=3.21.2
+# renovate: datasource=github-releases depName=derailed/k9s
+ARG K9S_VERSION=0.40.10
 # renovate: datasource=github-releases depName=billchurch/webssh2
 ARG WEBSSH2_VERSION=5.0.1
 
+
+
 RUN apt-get update \
     && apt-get install -y --no-install-recommends ca-certificates curl \
     && rm -rf /var/lib/apt/lists/* \
@@ -22,15 +32,6 @@ RUN apt-get update \
 
 FROM debian:trixie-slim
 
-# renovate: datasource=github-releases depName=janosmiko/lfk
-ARG LFK_VERSION=0.14.9
-# renovate: datasource=github-releases depName=kubernetes/kubernetes
-ARG KUBECTL_VERSION=1.31.0
-# renovate: datasource=github-releases depName=helm/helm
-ARG HELM_VERSION=3.21.2
-# renovate: datasource=github-releases depName=derailed/k9s
-ARG K9S_VERSION=0.40.10
-
 
 ENV DEBIAN_FRONTEND=noninteractive \
     WEB_SSH_PORT=3000 \
@@ -57,6 +58,9 @@ RUN apt-get update \
         openssl \
         sudo \
         tini \
+        locales \
+    && echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen \
+    && locale-gen \
     && rm -rf /var/lib/apt/lists/* \
     && mkdir -p /var/run/sshd /var/lib/k8s-mgmt-pod /etc/ssh/sshd_config.d \
     && useradd --create-home --shell /bin/bash admin \
@@ -105,6 +109,10 @@ COPY entrypoint.sh /usr/local/bin/entrypoint.sh
 RUN chmod 0755 /usr/local/bin/entrypoint.sh \
     && chmod 0644 /etc/profile.d/20-k8s-tools-completion.sh
 
+ENV LANG=en_US.UTF-8
+ENV LANGUAGE=en_US:en
+ENV LC_ALL=en_US.UTF-8
+
 EXPOSE 2222 3000
 
 HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \