Cirrus CI: Fix pip install issue on Ubuntu rolling (#4401)

Author: kinke

.cirrus.yml

@@ -4,9 +4,9 @@
 common_steps_template: &COMMON_STEPS_TEMPLATE
   install_lit_script: |
     # Install lit
+    rm -f /usr/lib/python3.11/EXTERNALLY-MANAGED # required for Ubuntu 23.04
     python3 -m pip install --user setuptools wheel
-    # lit v0.11.1 is the latest version to work with Python v3.5 (from Ubuntu 16.04)
-    python3 -m pip install --user lit==0.11.1
+    python3 -m pip install --user lit
     python3 -c "import lit.main; lit.main.main();" --version . | head -n 1
   clone_submodules_script: |
     cd $CIRRUS_WORKING_DIR