loongson/mirror: links for ccl-expressions

loongson/mirror ccl-expressions-1.2.3.tar.gz
loongson/mirror ccl_expressions-1.2.3-py2-none-any.whl
loongson/mirror ccl-expressions-1.2.2.tar.gz
loongson/mirror ccl_expressions-1.2.2-py2-none-any.whl