Feature improvements

• Better debug output when proxying is disabled
• Updates to support PostgreSQL 14 (#4251)

Bug fixes

• Add correct_escapes back into default configuration
• Fix undeclared variable with some compile options (#4246)
• Quiet erroneous debug output
• Fix segfault when proxying to zombie home server
• Fix resolving values to enum strings in rlm_rest (#4167)
• Fix printing raw values rather than enum strings in rlm_couchbase (#4167)