add faketime and change to apt-get in devcontainer (#3543)

We require faketime to be installed for running the tests, therefore its added.
Further for non-interactive usage apt-get is recommended, therefore the change.

Author: felixschurk

.devcontainer/Dockerfile

@@ -10,11 +10,11 @@ RUN if [ "${REINSTALL_CMAKE_VERSION_FROM_SOURCE}" != "none" ]; then \
     fi \
     && rm -f /tmp/reinstall-cmake.sh
 
-RUN sudo apt update && sudo apt install uuid-dev
+RUN sudo apt-get update && sudo apt-get install uuid-dev faketime
 
 # [Optional] Uncomment this section to install additional vcpkg ports.
 # RUN su vscode -c "${VCPKG_ROOT}/vcpkg install <your-port-name-here>"
 
 # [Optional] Uncomment this section to install additional packages.
 # RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-#     && apt-get -y install --no-install-recommends <your-package-list-here>
+#     && apt-get -y install --no-install-recommends <your-package-list-here>