Workbench: Add the dev container CLI.

workbench/Dockerfile

@@ -254,6 +254,7 @@ ENV COREPACK_HOME=/usr/local/share/corepack
 # hadolint ignore=DL3016
 RUN npm install --global \
         @bitwarden/cli \
+        @devcontainers/cli \
         @playwright/test \
         corepack \
     && \