chore: bump node to v14.15.1 (master) (#26533)

* chore: bump node in DEPS to v14.15.1

* update patches

DEPS

@@ -16,7 +16,7 @@ vars = {
   'chromium_version':
     '3a75ada69d1ac06d6903a2c981ab90a8162f1ba0',
   'node_version':
-    'v14.15.0',
+    'v14.15.1',
   'nan_version':
     '2c4ee8a32a299eada3cd6e468bbd0a473bfea96d',
   'squirrel.mac_version':

patches/node/build_add_gn_build_files.patch

@@ -1586,7 +1586,7 @@ index 0000000000000000000000000000000000000000..f3c5c798c0aefcb8cf9b1570a7b4817c
 +  args = rebase_path(inputs + outputs, root_build_dir)
 +}
 diff --git a/src/node_version.h b/src/node_version.h
-index 280391501700eabf9845c8b9bb2dbce58ab92a48..e9b14929e04b24fcbaa94b854c0d2104cdbb3861 100644
+index 20855d5807e0326118a10ccffe694af2e67d8b79..33422dd4eca758c08de679ac4cb5eba83b7ce145 100644
 --- a/src/node_version.h
 +++ b/src/node_version.h
 @@ -89,7 +89,10 @@