bump helm-charts to version 3.18.1

Signed-off-by: Adrian Gabriel <adrian.gabriel@siemens-healthineers.com>

Author: Najzer0

Dockerfile

@@ -6,7 +6,7 @@ RUN if [ "${TARGETARCH}" = "arm/v7" ]; then \
     else \
         ARCH="${TARGETARCH}" ; \
     fi && \
-    curl -sL https://get.helm.sh/helm-v3.16.4-linux-${ARCH}.tar.gz | tar xvzf - --strip-components=1 -C /usr/bin
+    curl -sL https://get.helm.sh/helm-v3.18.1-linux-${ARCH}.tar.gz | tar xvzf - --strip-components=1 -C /usr/bin
 COPY entry /usr/bin/
 
 FROM golang:1.24-alpine3.20 AS plugins