release-24.1: sql: fix including all related FK tables into the stmt bundle

[blathers-crl]

Backport 1/1 commits from #137738 on behalf of @yuzefovich.

/cc @cockroachdb/release

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Earlier this year in 084a741 we made a change to include all tables referencing the table from the stmt bundle (i.e. those that we have an inbound FK relationship with). However, we forgot to include tables that the referencing table is dependent on, so this commit fixes that oversight. Namely, we now include all tables that we reference or that reference us via the FK relationship, and this rule is applied recursively to every table in consideration. (Previously, we didn't include inbound FKs when handling an outbound FK nor outbound FKs when handling an inbound FK.)

Note that I believe we could have avoided including referencing tables (i.e. with an inbound FK relationship) that only have NO ACTION or RESTRICT actions in the ON DELETE and ON UPDATE, but I think those cases aren't very common, and it's unlikely to hurt including all "related" tables. The case of FK cycles is still not handled correctly on the stmt bundle recreation, but I think we have yet to run into one in a support ticket.

Informs: https://github.com/cockroachlabs/support/issues/3146.
Epic: None

Release note: None

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Release justification: low-risk supportability improvement.

[blathers-crl]

Thanks for opening a backport.

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[cockroach-teamcity]

This change is 

[rytaft]

Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: complete! 1 of 0 LGTMs obtained (waiting on @mgartner and @yuzefovich)