Upgrade for bokeh interactivity and pyvista with trame backend

This is a MR to upgrade/install the necessary libraries to allow bokeh and pyvista to work properly and interactively.

base/Dockerfile

@@ -27,12 +27,14 @@ RUN apt-get update --yes && \
     cython \
     gcc \
     gettext \
+    libgl1-mesa-dev \
     llvm \
     lsof \
     mpich \
     r-base \
     swig \
-    vim  && \
+    vim \
+    xvfb  && \
     apt-get clean && rm -rf /var/lib/apt/lists/*
 
 # jupyter install in /opt/app-root/ for legacy reasons (previously based on centos base image)
@@ -60,7 +62,8 @@ RUN jupyter labextension disable ipcluster \
 RUN jupyter labextension install --no-build \
                              clb-jupyter-ext-query-params-dev@3.2.0 \
                              clb-lab-extension@0.9.2 \
-                             ipycanvas@0.12.0
+                             ipycanvas@0.12.0 \
+                             @jupyterlab/server-proxy
 # ipycanvas@0.12.0: Python part installed via spack (py-ipycanvas@0.12.0)
 
 RUN jupyter lab build