databases/mongodb50: update to 5.0.13

changes:
https://www.mongodb.com/docs/manual/release-notes/5.0/#5.0.13---sep-29--2022

• use llvm-ar instead of binutils ar similar to mongodb60

Test Plan: poudriere stage-qa ok on aarch64/14

Approved by: rene (mentor)
Differential Revision: https://reviews.freebsd.org/D37384