Issue details

As soon as I connect to the server (localhost:3000) I received the following message:
(node:37943) [DEP0066] DeprecationWarning: OutgoingMessage.prototype._headers is deprecated

Steps to reproduce/test case

Use node, npm and gulp as indicated below. All the tasks load properly, but when connected with browser-sync at localhost:3000 node sends the DEP0066 message and it stops working.

Please specify which version of Browsersync, node and npm you're running

• Browsersync [ 2.26.5 ]
• Node [ 12.1.0 ]
• Npm [ 6.9.0 ]

Affected platforms

• linux
• windows
• OS X
• freebsd
• solaris
• other (please specify which)

Browsersync use-case

• API
• Gulp
• Grunt
• CLI

for all other use-cases, (gulp, grunt etc), please show us exactly how you're using Browsersync

function browsersync(){
  browserSync.init( {
    proxy: projectURL,
    open: false,
    injectChanges: true,
  } );
};

gulp.task( 'default', gulp.series(styles, php, phpDIST, vendorsJS, customJS, images, browsersync, watchTask));