CI: fix the fix for python actually being mildly useful

In commit 5c479d7a13, we deleted bad stuff
that makes python not work. But we missed the case where it is installed
to lib64.

ci/ciimage/common.sh

@@ -39,11 +39,11 @@ dub_fetch() {
 }
 
 install_minimal_python_packages() {
-  rm -f /usr/lib/python3.*/EXTERNALLY-MANAGED
+  rm -f /usr/lib*/python3.*/EXTERNALLY-MANAGED
   python3 -m pip install "${base_python_pkgs[@]}" $*
 }
 
 install_python_packages() {
-  rm -f /usr/lib/python3.*/EXTERNALLY-MANAGED
+  rm -f /usr/lib*/python3.*/EXTERNALLY-MANAGED
   python3 -m pip install "${base_python_pkgs[@]}" "${python_pkgs[@]}" $*
 }