convert uses of interface{} to any

Done via:
  find . -name "*.go" | xargs sed -i -E 's/interface\{\}/any/g'

PiperOrigin-RevId: 487033228

pkg/sentry/kernel/auth/context.go

@@ -59,7 +59,7 @@ type authContext struct {
 }
 
 // Value implements context.Context.
-func (ac *authContext) Value(key interface{}) interface{} {
+func (ac *authContext) Value(key any) any {
 	switch key {
 	case CtxCredentials:
 		return ac.creds