databases/mongodb42: update to 4.2.23

• use llvm-ar instead of binutils ar
• change email to my @FreeBSD.org

Changes:
https://www.mongodb.com/docs/manual/release-notes/4.2/#4.2.23---sep-29--2022

Tested:

• poudriere stage-qa ok on aarch64/12

Reviewed by: rene (mento)
Differential Revision: https://reviews.freebsd.org/D37388