chore: speed up ci and add timeout ctrl

[joway]

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chore

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en:

• use github offical linux CI runner which will not have the issue of GFW and download go cache quickly
• Change graceful shutdown check interval for all tests, make every single test function shutdown quickly
• Remove/Reduce all time.Sleep duration
• Fixed some unstable tests logic
• Force set test timeout for 2 minutes to avoid anyone else making it slow again
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