install latest bicep via CLI

Author: AjitPadhi-Microsoft

.devcontainer/devcontainer.json

@@ -6,7 +6,11 @@
     "features": {
         "ghcr.io/dhoeric/features/hadolint:1": {},
         "ghcr.io/jsburckhardt/devcontainer-features/uv:1": {},
-        "ghcr.io/devcontainers/features/azure-cli:1": {},
+        "ghcr.io/devcontainers/features/azure-cli:1": {
+            "installBicep": true,
+            "version": "latest",
+            "bicepVersion": "latest"
+        },
         "ghcr.io/azure/azure-dev/azd:latest": {},
         "ghcr.io/devcontainers/features/docker-in-docker:2": {}
     },