Update incorrect PR link in changelog regarding "check x/bank send en…

…abled" fix (backport cosmos#2714) (cosmos#2717)

* Update check x/bank sendEnabled link in changelog (cosmos#2714)

Co-authored-by: Cian Hatton <[email protected]>
(cherry picked from commit 7249d82)

# Conflicts:
#	CHANGELOG.md

* chore: fixing merge conflicts

Co-authored-by: Calvin Lau <[email protected]>
Co-authored-by: Cian Hatton <[email protected]>