Bump NW.js and ffpmeg to 0.62.2 and Node to 16.15.1

Author: haslinghuis

.nvmrc

@@ -1 +1 @@
-v16.15.0
+v16.15.1

gulpfile.js

@@ -26,7 +26,7 @@ const RELEASE_DIR = './release/';
 const LINUX_INSTALL_DIR = '/opt/betaflight';
 
 var nwBuilderOptions = {
-    version: '0.60.0',
+    version: '0.62.2',
     files: './dist/**/*',
     macIcns: './images/bf_icon.icns',
     macPlist: { 'CFBundleDisplayName': 'Betaflight Blackbox Explorer'},

library/Readme.md

@@ -2,6 +2,6 @@
 
 ### ffmpeg
 
-Current version: 0.60.0
+Current version: 0.62.2
 
 Updating: Download prebuilt libraries from https://github.com/iteufel/nwjs-ffmpeg-prebuilt/releases.