Fix dune-gdt-super CI

docker/individual_base/Dockerfile

 ARG CC
 ARG COMMIT
 ARG BASE
-FROM zivgitlab.wwu.io/ag-ohlberger/dune-community/dune-xt-super/base_${BASE}_${CC}:${COMMIT}
+ARG PROJECT
+FROM ${PROJECT}/base_${BASE}_${CC}:${COMMIT}
 
 WORKDIR ${SUPERDIR}
 

docker/update_test_dockers.py

@@ -164,7 +164,7 @@ def _build_combination(tag_matrix, dockerdir, module, commit, refname):
         print(f'Repo is: {repo}')
 
         with Timer('docker build ', logger.info):
-            buildargs = {'COMMIT': commit, 'CC': cc, 'project_name': module, 'BASE': settings['base']}
+            buildargs = {'COMMIT': commit, 'CC': cc, 'project_name': module, 'BASE': settings['base'], 'PROJECT': PROJECT}
             img = _docker_build(
                 client,
                 logger,