message: Update devcontainer base to Debian 11
  * Update devcontainer base to Debian 11
  The version of Git packaged with Debian 10 (2.20.1) is too old for the
  current version of Rush (which requires at least 2.30.0).
  * Add libsecret to dev container
diff: # Licensed under the MIT License. See LICENSE.md in the project root for license terms.
  #----------------------------------------------------------------------------------------------
  -FROM debian:10
  +FROM docker.io/library/debian:11
  RUN \
  apt-get update \
  @@ -15,7 +15,8 @@ RUN \
  libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 \
  libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 \
  libxi6 libxrandr2 libxrender1 libxss1 libxtst6 ca-certificates \
  - fonts-liberation libappindicator1 libnss3 lsb-release xdg-utils wget \
  + fonts-liberation libayatana-appindicator1 libnss3 libsecret-1-0 \
  + lsb-release xdg-utils wget \
  && apt-get install -y git nodejs locales zsh procps \
  && npm install -g @microsoft/rush \
  && localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
  