message: Update base.Dockerfile to dotnet 6 packages
  No regressions noted in testing.
  Backwards compatible with old projects and no breakages.
diff: @@ -17,8 +17,8 @@ RUN runDeps="hunspell \
  inotify-tools \
  patch \
  unzip \
  - dotnet-runtime-5.0 \
  - dotnet-apphost-pack-5.0" \
  + dotnet-runtime-6.0 \
  + dotnet-apphost-pack-6.0" \
  installDeps="ca-certificates wget" \
  && apt-get update \
  && apt-get install -y --no-install-recommends $installDeps \
  