chore: Update yargs (#1224)

Author: coreyfarrell

lib/process-args.js

@@ -1,6 +1,6 @@
 'use strict'
 
-const parser = require('yargs-parser')
+const { Parser } = require('yargs/yargs')
 const commands = [
   'report',
   'check-coverage',
@@ -23,7 +23,7 @@ module.exports = {
   // instrumented to nyc.
   hideInstrumenteeArgs: function () {
     var argv = process.argv.slice(2)
-    var yargv = parser(argv)
+    var yargv = Parser(argv)
     if (!yargv._.length) return argv
     for (var i = 0, command; (command = yargv._[i]) !== undefined; i++) {
       if (~commands.indexOf(command)) return argv

package-lock.json

@@ -82,8 +82,7 @@
     "spawn-wrap": "^2.0.0-beta.0",
     "test-exclude": "^6.0.0-alpha.1",
     "uuid": "^3.3.3",
-    "yargs": "^14.2.0",
-    "yargs-parser": "^15.0.0"
+    "yargs": "^15.0.1"
   },
   "devDependencies": {
     "any-path": "^1.3.0",