fs: use consistent defaults in sync stat functions

This commit updates the default options used by statSync(),
lstatSync(), and fstatSync() to be identical to the defaults
used by the callback- and Promise-based versions.

PR-URL: #31097
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

lib/fs.js

@@ -899,15 +899,15 @@ function stat(path, options = { bigint: false }, callback) {
   binding.stat(pathModule.toNamespacedPath(path), options.bigint, req);
 }
 
-function fstatSync(fd, options = {}) {
+function fstatSync(fd, options = { bigint: false }) {
   validateInt32(fd, 'fd', 0);
   const ctx = { fd };
   const stats = binding.fstat(fd, options.bigint, undefined, ctx);
   handleErrorFromBinding(ctx);
   return getStatsFromBinding(stats);
 }
 
-function lstatSync(path, options = {}) {
+function lstatSync(path, options = { bigint: false }) {
   path = getValidatedPath(path);
   const ctx = { path };
   const stats = binding.lstat(pathModule.toNamespacedPath(path),
@@ -916,7 +916,7 @@ function lstatSync(path, options = {}) {
   return getStatsFromBinding(stats);
 }
 
-function statSync(path, options = {}) {
+function statSync(path, options = { bigint: false }) {
   path = getValidatedPath(path);
   const ctx = { path };
   const stats = binding.stat(pathModule.toNamespacedPath(path),