databases/plpgsql_check: Update to 2.7.3

Changes:	https://github.com/okbob/plpgsql_check/releases

databases/plpgsql_check/Makefile

 PORTNAME=	plpgsql_check
-PORTVERSION=	2.7.2
+PORTVERSION=	2.7.3
 DISTVERSIONPREFIX=	v
 CATEGORIES=	databases
 PKGNAMEPREFIX=	postgresql${PGSQL_VER_NODOT}-

databases/plpgsql_check/distinfo

-TIMESTAMP = 1708448880
-SHA256 (okbob-plpgsql_check-v2.7.2_GH0.tar.gz) = 9f0255d2630e941ba92af9522237880b02ef7723a9f832b434fb8a8880b058db
-SIZE (okbob-plpgsql_check-v2.7.2_GH0.tar.gz) = 220132
+TIMESTAMP = 1709390350
+SHA256 (okbob-plpgsql_check-v2.7.3_GH0.tar.gz) = 31f086635fc9b0270d2349b194001845dc904982712079d6f4b7c0d2d29780b3
+SIZE (okbob-plpgsql_check-v2.7.3_GH0.tar.gz) = 220337