finalshell: Add version 3.9.5.7

[b4imetu]

Close #309
code modified from ViCrack/scoop-bucket

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finalshell

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[b4imetu]

/verify

[github-actions]

All changes look good.

Wait for review from human collaborators.

finalshell

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[b4imetu]

Upstream issue
The actual downloaded package version is 3.9.5.7, but the official website shows 3.9.5.4, the regEX can only match to 3.9.5.4.
Already sent an email to the author.

@ViCrack I May need your help with the license issue

[chawyehsu]

Copying manifests from repos w/o licenses is not acceptable for me.

[ViCrack]

Upstream issue The actual downloaded package version is 3.9.5.7, but the official website shows 3.9.5.4, the regEX can only match to 3.9.5.4. Already sent an email to the author.

@b4imetu I've fixed the problem.

ViCrack/scoop-bucket@511159d

@ViCrack I May need your help with the license issue

is acceptable for me

[b4imetu]

@chawyehsu plz reopen this pr to close #309 , which was tagged contribution welcome on May 13, 2021
This is just a common community-maintained manifest. There should be no license issue.
Thank you very much