Fix namespace-override github test summary (#154)

Co-authored-by: Marco Franssen <[email protected]>
Signed-off-by: Marco Franssen <[email protected]>

.github/workflows/helm-chart-ci.yaml

@@ -20,7 +20,7 @@ concurrency:
 env:
   HELM_VERSION: v3.11.1
   PYTHON_VERSION: 3.11.2
-  CHART_TESTING_VERSION: v3.7.1
+  CHART_TESTING_VERSION: v3.8.0
 
 jobs:
   checks:
@@ -189,6 +189,7 @@ jobs:
               --namespace "${scenario}" \
               --target-branch ${{ github.base_ref }} \
               --exclude-deprecated \
+              --skip-clean-up \
               ${{ (matrix.values != 'default' && '--helm-extra-set-args "--values=${TEST_DIR}/values.yaml ${EXTRA_HELM_ARGS}"') || '' }}
           fi
         env: