更新依赖项，优化 OAuth2 服务，添加 PKCE 支持，增强 OIDC 处理器，新增客户端注册和令牌管理端点，改进数据库模型以支持新功能。

go.mod

@@ -8,14 +8,19 @@ require (
 	github.com/golang-jwt/jwt/v4 v4.5.0
 	gopkg.in/yaml.v3 v3.0.1
 	gorm.io/driver/sqlite v1.5.7
-	gorm.io/gorm v1.25.7-0.20240204074919-46816ad31dde
+	gorm.io/gorm v1.25.11
 )
 
 require (
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/go-sql-driver/mysql v1.8.1 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/context v1.1.1 // indirect
 	github.com/gorilla/securecookie v1.1.1 // indirect
 	github.com/gorilla/sessions v1.2.1 // indirect
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible // indirect
+	gorm.io/datatypes v1.2.5 // indirect
+	gorm.io/driver/mysql v1.5.6 // indirect
 )
 
 require (
@@ -40,10 +45,10 @@ require (
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.11 // indirect
 	golang.org/x/arch v0.3.0 // indirect
-	golang.org/x/crypto v0.9.0
-	golang.org/x/net v0.10.0 // indirect
-	golang.org/x/sys v0.8.0 // indirect
-	golang.org/x/text v0.9.0 // indirect
+	golang.org/x/crypto v0.22.0
+	golang.org/x/net v0.21.0 // indirect
+	golang.org/x/sys v0.19.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
 	google.golang.org/protobuf v1.30.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 )