Update binder

Author: Robinlovelace

.binder/Dockerfile

@@ -1,21 +1 @@
 FROM ghcr.io/geocompx/docker:binder
-
-## Declares build arguments
-ARG NB_USER
-ARG NB_UID
-
-COPY --chown=${NB_USER} . ${HOME}
-
-ENV DEBIAN_FRONTEND=noninteractive
-USER root
-RUN echo "Checking for 'apt.txt'..." \
-        ; if test -f "apt.txt" ; then \
-        apt-get update --fix-missing > /dev/null\
-        && xargs -a apt.txt apt-get install --yes \
-        && apt-get clean > /dev/null \
-        && rm -rf /var/lib/apt/lists/* \
-        ; fi
-USER ${NB_USER}
-
-## Run an install.R script, if it exists.
-RUN if [ -f install.R ]; then R --quiet -f install.R; fi