* update mod

go.mod

@@ -1,15 +1,13 @@
 module github.com/digisan/go-mail
 
-go 1.21
-
-toolchain go1.21.1
+go 1.21.4
 
 require (
 	github.com/digisan/go-config v0.2.15
-	github.com/digisan/go-generics v0.4.2
-	github.com/digisan/gotk v0.4.11
+	github.com/digisan/go-generics v0.4.3
+	github.com/digisan/gotk v0.4.12
 	github.com/digisan/logkit v0.2.14
-	github.com/mailgun/mailgun-go/v4 v4.11.1
+	github.com/mailgun/mailgun-go/v4 v4.12.0
 	github.com/sendgrid/sendgrid-go v3.13.0+incompatible
 )
 
@@ -28,7 +26,7 @@ require (
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tidwall/sjson v1.2.5 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
-	golang.org/x/net v0.18.0 // indirect
-	golang.org/x/sys v0.14.0 // indirect
+	golang.org/x/net v0.19.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -5,10 +5,10 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/digisan/go-config v0.2.15 h1:LxaUeKl8dgYZmBbo5FDoci18Kpjt6F49gHeCOT2Gawk=
 github.com/digisan/go-config v0.2.15/go.mod h1:tHeNw3New1FI48EAmzkwTku/VXzjs/MhYkIoYiMQxYk=
-github.com/digisan/go-generics v0.4.2 h1:Md5DIJR99AIi5EfkFocbf+Hd+1cXWsg2Sa2eNifAf8s=
-github.com/digisan/go-generics v0.4.2/go.mod h1:2aTVLuSocslv7ZotYw/YhKeIxyqsERsF9hfR/UsvXm8=
-github.com/digisan/gotk v0.4.11 h1:y9g+mmUkQgWfp8bOEtFVNQfYN+42NWWxASoyJ0TrtW4=
-github.com/digisan/gotk v0.4.11/go.mod h1:ffovKj5Ue8+FqOkZy65oJYfirl3rzNjhYzjZH/DhPd0=
+github.com/digisan/go-generics v0.4.3 h1:gZEjaQE/N88gGXDVxMxc7JebwuBvv1Q6ZE8qr10BPjc=
+github.com/digisan/go-generics v0.4.3/go.mod h1:2aTVLuSocslv7ZotYw/YhKeIxyqsERsF9hfR/UsvXm8=
+github.com/digisan/gotk v0.4.12 h1:uYtcjixb6bkNukyorUGPVSeItcAHoKyXnV5t78Os4rU=
+github.com/digisan/gotk v0.4.12/go.mod h1:rrB1xoiNkDNooBaBEX7fkXJbEIX/ilqAuUx6L+NyECg=
 github.com/digisan/logkit v0.2.14 h1:YjqIs2AL7WFXgUmchNpQ1nF1xg+2bw7BTxVzpF2lYFg=
 github.com/digisan/logkit v0.2.14/go.mod h1:zxgbB7MdEfC8rx/eT5Gulw2VvfRe8hVRC16vhzOQn3w=
 github.com/facebookgo/ensure v0.0.0-20160127193407-b4ab57deab51 h1:0JZ+dUmQeA8IIVUMzysrX4/AKuQwWhV2dYQuPZdvdSQ=
@@ -28,8 +28,8 @@ github.com/h2non/filetype v1.1.3/go.mod h1:319b3zT68BvV+WRj7cwy856M2ehB3HqNOt6sy
 github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
-github.com/mailgun/mailgun-go/v4 v4.11.1 h1:d9wWlSTM11XrcN3hY1tJAXHv17IoVVf0TE5eZmSVEvU=
-github.com/mailgun/mailgun-go/v4 v4.11.1/go.mod h1:L9s941Lgk7iB3TgywTPz074pK2Ekkg4kgbnAaAyJ2z8=
+github.com/mailgun/mailgun-go/v4 v4.12.0 h1:TtuQCgqSp4cB6swPxP5VF/u4JeeBIAjTdpuQ+4Usd/w=
+github.com/mailgun/mailgun-go/v4 v4.12.0/go.mod h1:L9s941Lgk7iB3TgywTPz074pK2Ekkg4kgbnAaAyJ2z8=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
@@ -63,10 +63,10 @@ github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavM
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
 golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561 h1:MDc5xs78ZrZr3HMQugiXOAkSZtfTpbJLDr/lwfgO53E=
 golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE=
-golang.org/x/net v0.18.0 h1:mIYleuAkSbHh0tCv7RvjL3F6ZVbLjq4+R7zbOn3Kokg=
-golang.org/x/net v0.18.0/go.mod h1:/czyP5RqHAH4odGYxBJ1qz0+CE5WZ+2j1YgoEo8F2jQ=
-golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
-golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
+golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
+golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
+golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=