cmd/link: changed FreeBSD Version from 12.3 to 13.3

[mlsgit]

as this is the lowest release active now.
Updates #54355

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Patch Set 1:

(1 comment)

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Patch Set 2:

(3 comments)

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Message from Dmitri Shuralyov:

Patch Set 2:

(1 comment)

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This PR (HEAD: 8b6bc86) has been imported to Gerrit for code review.

Please visit Gerrit at https://go-review.googlesource.com/c/go/+/610836.

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Patch Set 3:

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