chore(npm): updated to ioslib@1.17.8 [TIMOB-27338]

[cb1kenobi]

JIRA: https://jira.appcelerator.org/browse/TIMOB-27338

[build]

	Fails
🚫	Tests have failed, see below for more information.

	Messages
📖	💾 Here's the generated SDK zipfile.
📖	❌ 2 tests have failed There are 2 tests failing and 479 skipped out of 4886 total tests.
📖	✊ The commits in this PR match our conventions! Feel free to Rebase and Merge this PR when ready.

Tests:

Classname	Name	Time	Error
android.emulator.Titanium.UI.WebView	baseURL should be accessible via window.location	0.814	Error: expected '"https://www.google.com/"' to equal 'https://www.google.com/' at Assertion.fail (/node_modules/should/cjs/should.js:275:17) at Assertion.value (/node_modules/should/cjs/should.js:356:19) at WebView.<anonymous> (/ti.ui.webview.addontest.js:26:29)
ios.Titanium.UI.WebView	baseURL should be accessible via window.location	2.003	Error: timeout of 2000ms exceeded file:///Users/build/Library/Developer/CoreSimulator/Devices/2589D817-D6C9-4AAB-ABDB-8C8068955919/data/Containers/Bundle/Application/C6DF7145-C0A5-45A8-B376-0C935982DC02/mocha.app/ti-mocha.js:4326:27

Dependencies with modified semantic versioning:

• ioslib - from ^1.7.17 to ^1.7.18

Generated by 🚫 dangerJS against 4efe3b2

[ssekhri]

FR passed.
Verified On:
Mac OS: 10.14.5
SDK: 8.3.0.v20191024150951
Appc CLI: 7.1.1
JDK: 1.8.0_162
Node: 10.5.0
Studio: 5.1.4.201909061933
Xcode: 11.0
Device: iOS simulator 13.0, 12.2