Replace interface{} with any (#25686)

Result of running `perl -p -i -e 's#interface\{\}#any#g' **/*` and `make fmt`.

Basically the same [as golang did](2580d0e08d).

modules/graceful/manager.go

@@ -283,7 +283,7 @@ func (g *Manager) Err() error {
 }
 
 // Value allows the manager to be viewed as a context.Context done at Terminate
-func (g *Manager) Value(key interface{}) interface{} {
+func (g *Manager) Value(key any) any {
 	return g.managerCtx.Value(key)
 }