Set spawn timeout to 5 min instead of 300 ms

The timeout option here didn't do anything on node 6.17.1 because this option was introduced in node v14.18.0 and it's in milliseconds, not seconds. See https://nodejs.org/api/child_process.html#child_processspawncommand-args-options

Author: vincentfretin

index.js

@@ -108,7 +108,7 @@ module.exports.install = function(specPath) {
               var cp = spawn(npmCommand, npmArgs, {
                 cwd: packagePath,
                 stdio: 'inherit',
-                timeout: 300
+                timeout: 300000
               })
               return new RSVP.Promise(function(resolve, reject) {
                 cp.on('exit', function(code, signal) {