go.mod: specify Go 1.20

Cockroach now uses 1.20.
cockroachdb · Sep 28, 2023 · aa077af · aa077af
1 parent ccb9a7d
commit aa077af
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/go.mod b/go.mod
@@ -43,4 +43,4 @@ require (
 	gopkg.in/yaml.v3 v3.0.0 // indirect
 )
 
-go 1.19
+go 1.20