update go version and do tidy

go.mod

@@ -1,5 +1,22 @@
 module github.com/hedwigz/entviz
 
-go 1.16
+go 1.21
 
-require entgo.io/ent v0.10.1
+require entgo.io/ent v0.12.3
+
+require (
+ ariga.io/atlas v0.10.2-0.20230427182402-87a07dfb83bf // indirect
+ github.com/agext/levenshtein v1.2.1 // indirect
+ github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
+ github.com/go-openapi/inflect v0.19.0 // indirect
+ github.com/google/go-cmp v0.5.6 // indirect
+ github.com/google/uuid v1.3.0 // indirect
+ github.com/hashicorp/hcl/v2 v2.13.0 // indirect
+ github.com/kr/pretty v0.2.1 // indirect
+ github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7 // indirect
+ github.com/zclconf/go-cty v1.8.0 // indirect
+ golang.org/x/mod v0.10.0 // indirect
+ golang.org/x/sys v0.7.0 // indirect
+ golang.org/x/text v0.8.0 // indirect
+ golang.org/x/tools v0.8.1-0.20230428195545-5283a0178901 // indirect
+)