Fix API parameter name

Author: lunny

routers/api/v1/admin/runners.go

@@ -18,7 +18,7 @@ func GetRegistrationToken(ctx *context.APIContext) {
 	// produces:
 	// - application/json
 	// parameters:
-	// - name: set-token
+	// - name: set_token
 	//   in: body
 	//   description: set a runner register token instead of generating one.
 	//   type: string

routers/api/v1/org/action.go

@@ -182,7 +182,7 @@ func (Action) GetRegistrationToken(ctx *context.APIContext) {
 	//   description: name of the organization
 	//   type: string
 	//   required: true
-	// - name: set-token
+	// - name: set_token
 	//   in: body
 	//   description: set a runner register token instead of generating one.
 	//   type: string

routers/api/v1/repo/action.go

@@ -500,7 +500,7 @@ func (Action) GetRegistrationToken(ctx *context.APIContext) {
 	//   description: name of the repo
 	//   type: string
 	//   required: true
-	// - name: set-token
+	// - name: set_token
 	//   in: body
 	//   description: set a runner register token instead of generating one.
 	//   type: string

routers/api/v1/shared/runners.go

@@ -19,7 +19,7 @@ type RegistrationToken struct {
 }
 
 func GetRegistrationToken(ctx *context.APIContext, ownerID, repoID int64) {
-	setToken := ctx.FormString("set-token")
+	setToken := ctx.FormString("set_token")
 	var token *actions_model.ActionRunnerToken
 	var err error
 	if setToken == "" {