go.mod: Downgrade to Go 1.21 as minimal required version (#22)

VojtechVitek · web-flow · commit 8166aa33c479 · 2024-10-15T18:08:49.000+02:00
diff --git a/go.mod b/go.mod
@@ -1,6 +1,6 @@
 module github.com/goware/pgkit/v2
 
-go 1.22.3
+go 1.21
 
 require (
 	github.com/Masterminds/squirrel v1.5.4
