[Pkg-javascript-devel] Bug#930607: Update libjs-vue to 2.6.10

[Pirate Praveen]

package: libjs-vue
version: 2.5.17+dfsg-1
severity: wishlist
Control: block 930404 by -1

gitlab 11.10.5 needs vue.js 2.6.10

While trying to update, the build failed.

webpack --config debian/webpack.cjs.config.js
Hash: 72f9c82be3887f68bebc
Version: webpack 3.5.6
Time: 283ms
        Asset Size Chunks Chunk Names
vue.common.js 2.78 kB 0 [emitted] main
   [0] ./src/platforms/web/entry-runtime-with-compiler.js 309 bytes {0} 
[built] [failed] [1 error]

ERROR in ./src/platforms/web/entry-runtime-with-compiler.js
Module build failed: SyntaxError: Unexpected token, expected , (19:4)

  17 | const mount = Vue.prototype.$mount
  18 | Vue.prototype.$mount = function (
 > 19 | el?: string | Element,
     | ^
  20 | hydrating?: boolean
  21 | ): Component {
  22 | el = el && query(el)

While we are at it, we have provide an es module entry point as well. 
See #930591