[Docs] Fix syntax highlighting of shell commands (#19870)

Signed-off-by: Lukas Geiger <lukas.geiger94@gmail.com>

docs/deployment/frameworks/helm.md

@@ -22,7 +22,7 @@ Before you begin, ensure that you have the following:
 
 To install the chart with the release name `test-vllm`:
 
-```console
+```bash
 helm upgrade --install --create-namespace --namespace=ns-vllm test-vllm . -f values.yaml --set secrets.s3endpoint=$ACCESS_POINT --set secrets.s3bucketname=$BUCKET --set secrets.s3accesskeyid=$ACCESS_KEY --set secrets.s3accesskey=$SECRET_KEY
 ```
 
@@ -30,7 +30,7 @@ helm upgrade --install --create-namespace --namespace=ns-vllm test-vllm . -f val
 
 To uninstall the `test-vllm` deployment:
 
-```console
+```bash
 helm uninstall test-vllm --namespace=ns-vllm
 ```