leetgo: switch to use leetcode.com

[chenrui333]

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switch to use leetcode.com, has some connection issue to leetcode.cn

==> /opt/homebrew/Cellar/leetgo/1.4.16/bin/leetgo init
● config dir created dir=/private/tmp/leetgo-test-20251226-46016-kt8eta/.config/leetgo
● config file created file=leetgo.yaml
● add credentials failed, continue requesting without credentials err="no cookies found in browsers"
● retry url=https://leetcode.cn/graphql attempt=0 error="Post \"https://leetcode.cn/graphql\": dial tcp 203.107.63.81:443: connect: operation timed out"
● retry url=https://leetcode.cn/graphql attempt=1 error="Post \"https://leetcode.cn/graphql\": dial tcp 203.107.63.81:443: connect: operation timed out"
● retry url=https://leetcode.cn/graphql attempt=2 error="Post \"https://leetcode.cn/graphql\": dial tcp 203.107.63.81:443: connect: operation timed out"
× Post "https://leetcode.cn/graphql": dial tcp 203.107.63.81:443: connect: operation timed out

• go 1.26rc2, [email protected] 1.25.6 (new formula) #258912