update postgres to 12.4 version

Author: pashagolub

make.bat

@@ -5,7 +5,7 @@ SET PATRONI_REF=https://github.com/zalando/patroni/archive/v1.6.5.zip
 SET MICRO_REF=https://github.com/zyedidia/micro/releases/download/v2.0.6/micro-2.0.6-win64.zip
 SET WINSW_REF=https://github.com/winsw/winsw/releases/download/v2.9.0/WinSW.NET461.exe
 SET VIP_REF=https://github.com/cybertec-postgresql/vip-manager/releases/download/v1.0-beta/vip-manager.zip
-SET PGSQL_REF=https://get.enterprisedb.com/postgresql/postgresql-12.3-1-windows-x64-binaries.zip
+SET PGSQL_REF=https://get.enterprisedb.com/postgresql/postgresql-12.4-1-windows-x64-binaries.zip
 
 @ECHO --- Start bootstrapping ---