update electron to v43

electron/node_modules/@electron/windows-sign/bin/electron-windows-sign-usage.txt

@@ -0,0 +1,43 @@
+NAME
+  electron-windows-sign -- code signing for Electron apps on Windows.
+
+SYNOPSIS
+  electron-windows-sign app [options ...]
+
+DESCRIPTION
+  app
+    Path to the application to sign.  It must be a directory.
+
+  certificate-file
+    Path to the certificate file (.pfx) to use for signing.
+
+  certificate-password
+    Password to use for the certificate.
+
+  sign-tool-path
+    Path to the signtool.exe binary.  If not specified, the tool will attempt
+    use a built-in version.
+
+  timestamp-server
+    URL of the timestamp server to use.  If not specified, the tool will
+    attempt to use a built-in server (http://timestamp.digicert.com)
+
+  description
+    Description to use for the signed files. Passed as /d to signtool.exe.
+
+  website
+    URL of the website to use for the signed files. Passed as /du to
+    signtool.exe.
+
+  sign-with-params
+    Additional parameters to pass to signtool.exe.  This can be used to
+    specify additional certificates to use for cross-signing.
+
+  automatically-select-certificate
+    Automatically select the best certificate to use for signing. On by default.
+
+  help
+    Print this usage information.
+
+  debug
+    Print additional debug information.