chore: start next Lake version

Author: tydeu

Diff for: Lake/Version.lean

@@ -7,8 +7,8 @@ Authors: Mac Malone
 namespace Lake
 
 def version.major := 3
-def version.minor := 2
-def version.patch := 2
+def version.minor := 3
+def version.patch := 0
 
 def version.isPrerelease := false
 def version.isRelease := !isPrerelease