[bitcoin/bitcoin] Add const modifier to HTTPRequest methods (#14006)

You can view, comment on, or merge this pull request online at:

https://github.com/bitcoin/bitcoin/pull/14006

— Commit Summary —

* http: Add const modifier to HTTPRequest methods

— File Changes —

M src/httpserver.cpp (8)
M src/httpserver.h (8)

— Patch Links —

https://github.com/bitcoin/bitcoin/pull/14006.patch
https://github.com/bitcoin/bitcoin/pull/14006.diff