commands: Add version time to "hugo config mounts"

modules/module.go

@@ -17,6 +17,8 @@
 package modules
 
 import (
+	"time"
+
 	"github.com/gohugoio/hugo/config"
 )
 
@@ -65,6 +67,9 @@ type Module interface {
 	// The module version.
 	Version() string
 
+	// Time version was created.
+	Time() *time.Time
+
 	// Whether this module's dir is a watch candidate.
 	Watch() bool
 }
@@ -154,6 +159,14 @@ func (m *moduleAdapter) Version() string {
 	return m.gomod.Version
 }
 
+func (m *moduleAdapter) Time() *time.Time {
+	if !m.IsGoMod() || m.gomod.Time == nil {
+		return nil
+	}
+
+	return m.gomod.Time
+}
+
 func (m *moduleAdapter) Watch() bool {
 	if m.Owner() == nil {
 		// Main project