android emu test save up space

Author: Gioee

.github/workflows/main.yml

@@ -237,6 +237,7 @@ jobs:
           export ${{ matrix.make }}
           $CC sqlite-amalgamation-*/shell.c sqlite-amalgamation-*/sqlite3.c -o sqlite3 -ldl
           rm -rf sqlite-amalgamation-*.zip sqlite-amalgamation-*
+          rm -rf curl-* # remove unused curl folder to save up space
           echo "::endgroup::"
 
           echo "::group::prepare the test script"