Merge #15354: doc: Add missing bitcoin-wallet tool manpages

Summary:
Merge #15354: doc: Add missing bitcoin-wallet tool manpages

Backport of Core PR15354

Note that this generates the manpages only. A followup backport will install the new manpages.

Test Plan: Generate the manpages according to doc/release-process.md (the results are also part of this patch)

Reviewers: #bitcoin_abc, deadalnix

Reviewed By: #bitcoin_abc, deadalnix

Differential Revision: https://reviews.bitcoinabc.org/D5855