ci: clean up space for polars

Author: licy183

.github/workflows/packages.yml

@@ -173,7 +173,7 @@ jobs:
         done
     - name: Free additional disk space (if necessary)
       run: |
-        if grep -q '^demo-package1$\|^demo-package2$\$' ./built_tur_packages.txt; then
+        if grep -Eq '^(python.*-polars)$' ./built_*_packages.txt; then
           sudo apt purge -yq $(dpkg -l | grep '^ii' | awk '{ print $2 }' | grep -P '(cabal-|dotnet-|ghc-|libmono|php|aspnetcore)') \
             mono-runtime-common monodoc-manual ruby
           sudo apt autoremove -yq