Missing quotes in PostgreSQL configuration causes GitLab Reconfigure to fail if they're enabled

Summary

Missing quotes in 2 PostgreSQL breaks reconfigure if they're enabled

Steps to reproduce

Just enable the min_wal_size and max_wal_size options and run reconfigure.

What is the current bug behavior?

Reconfigure fails to complete.

What is the expected correct behavior?

Reconfigure should succeed and GitLab/PostgreSQL should go happily on their merry way.

Relevant logs

Relevant logs