patches/node: change context to fix the patch

In upstream maintainer change prefered type of tarball which changed the
context of our patch. Link:

- https://github.com/nxhack/openwrt-node-packages/commit/fc3e803440aef7ed8e57609fa03ed0c35341c374

patches/node/hacks/0001-Revert-node-drop-v16.x.patch

@@ -28,7 +28,7 @@ index 2be6614c..771da296 100644
  endif
 +endif
  
- PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+ PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
  PKG_SOURCE_URL:=https://nodejs.org/dist/$(PKG_VERSION)
 @@ -88,6 +96,9 @@ define Package/node/config
  		 Select node.js version.