www/hs-postgrest: Update 13.0.7 => 14.0

Changelogs:

• https://github.com/PostgREST/postgrest/releases/tag/v13.0.8
• https://github.com/PostgREST/postgrest/releases/tag/v14.0
• https://github.com/PostgREST/postgrest/compare/v13.0.7...v13.0.8
• https://github.com/PostgREST/postgrest/compare/v13.0.8...v14.0

• PORTSCOUT: Restrict to stable (even) versions, indicated by the second component. From now on PostgREST will follow a MAJOR.PATCH two-part versioning. Only even-numbered MAJOR versions will be released, reserving odd-numbered MAJOR versions for development.
• Pet portclippy(1) and portfmt(1)

Approved by: haskell@ (alven@)
Approved by: yuri@ (Mentor)
Differential Revision: https://reviews.freebsd.org/D53374