Fix CI build issues

• Removed the versions of the python packages
• Fix RenkuLab installation
• Readd new versions

Dockerfile

@@ -21,7 +21,7 @@ FROM ${RENKU_BASE_IMAGE}
 COPY requirements.txt environment.yml /tmp/
 RUN conda env update -q -f /tmp/environment.yml && \
     /opt/conda/bin/pip install -r /tmp/requirements.txt && \
-    conda clean -y --all && \
+    conda clean -y --all && conda list && \
     conda env export -n "root"
 
 # RENKU_VERSION determines the version of the renku CLI
@@ -29,6 +29,7 @@ RUN conda env update -q -f /tmp/environment.yml && \
 # visit https://pypi.org/project/renku/#history.
 ARG RENKU_VERSION=0.16.1.post1
 
+
 ########################################################
 # Do not edit this section and do not add anything below
 
@@ -37,7 +38,7 @@ RUN if [ -n "$RENKU_VERSION" ] ; then \
         source .renku/venv/bin/activate ; \
         currentversion=$(renku --version) ; \
         if [ "$RENKU_VERSION" != "$currentversion" ] ; then \
-            pip uninstall renku ; \
+            pip uninstall -y renku ; \
             gitversion=$(echo "$RENKU_VERSION" | sed -n "s/^[[:digit:]]\+\.[[:digit:]]\+\.[[:digit:]]\+\(\.dev[[:digit:]]\+\)*\(+g\([a-f0-9]\+\)\)*\(+dirty\)*$/\3/p") ; \
             if [ -n "$gitversion" ] ; then \
                 pip install --force "git+https://github.com/SwissDataScienceCenter/renku-python.git@$gitversion" ;\
@@ -47,4 +48,4 @@ RUN if [ -n "$RENKU_VERSION" ] ; then \
         fi \
     fi
 
-########################################################
\ No newline at end of file
+########################################################