Upgrade postgres to 1.6.3

Author: stefannibrasil

Gemfile.lock

@@ -413,7 +413,10 @@ GEM
       cliver (~> 0.3.2)
       rexml (~> 3.2, >= 3.2.6)
       safe_shell (>= 1.0.3, < 2.0)
-    pg (1.5.9)
+    pg (1.6.3)
+    pg (1.6.3-arm64-darwin)
+    pg (1.6.3-x86_64-darwin)
+    pg (1.6.3-x86_64-linux)
     pg_query (6.1.0)
       google-protobuf (>= 3.25.3)
     pghero (3.7.0)