fix: Update the SauceLabs iPhone Safari profile to match isomorphic-git

Author: seanpoulter

karma.conf.js

@@ -92,9 +92,9 @@ module.exports = function (config) {
         base: 'SauceLabs',
         deviceName: 'iPhone 11 Pro Max Simulator',
         platformName: 'iOS',
-        platformVersion: '13.0',
+        platformVersion: '14.0',
         browserName: 'Safari',
-        appiumVersion: '1.15.0',
+        appiumVersion: '1.18.3',
       },
       XXXsl_android_chrome: {
         base: 'SauceLabs',