loongson/pypi: links for web3-proxy-providers

loongson/mirror web3-proxy-providers-0.3.tar.gz
loongson/mirror web3_proxy_providers-0.3-py3-none-any.whl
loongson/mirror web3-proxy-providers-0.2.tar.gz
loongson/mirror web3_proxy_providers-0.2-py3-none-any.whl
loongson/mirror web3-proxy-providers-0.1.tar.gz
loongson/mirror web3_proxy_providers-0.1-py3-none-any.whl