loongson/pypi: links for gdb-tools

loongson/mirror gdb-tools-1.5.tar.gz
loongson/mirror gdb_tools-1.5-py3-none-any.whl
loongson/mirror gdb-tools-1.4.tar.gz
loongson/mirror gdb_tools-1.4-py3-none-any.whl
loongson/mirror gdb-tools-1.3.tar.gz
loongson/mirror gdb-tools-1.2.tar.gz
loongson/mirror gdb-tools-1.1.tar.gz
loongson/mirror gdb-tools-1.0.tar.gz