upgrade to angular 14

[ElBedeawi]

npm run test-ci

> @kolkov/ngx-gallery@2.0.2 test-ci
> ng test @kolkov/ngx-gallery --code-coverage --no-watch --no-progress --browsers=ChromeHeadless

01 12 2022 15:50:44.238:INFO [karma-server]: Karma v6.3.20 server started at http://localhost:9876/
01 12 2022 15:50:44.239:INFO [launcher]: Launching browsers ChromeHeadless with concurrency unlimited
01 12 2022 15:50:44.241:INFO [launcher]: Starting browser ChromeHeadless
01 12 2022 15:50:44.606:INFO [Chrome Headless 107.0.5304.121 (Mac OS 10.15.7)]: Connected on socket nJdJTI8zI7gm2mhVAAAB with id 79953307
Chrome Headless 107.0.5304.121 (Mac OS 10.15.7): Executed 8 of 8 SUCCESS (0.099 secs / 0.077 secs)
TOTAL: 8 SUCCESS

=============================== Coverage summary ===============================
Statements   : 32.51% ( 238/732 )
Branches     : 14.89% ( 59/396 )
Functions    : 25.68% ( 47/183 )
Lines        : 31.66% ( 221/698 )
================================================================================

[codecov[bot]]

Codecov Report

Base: 27.14% // Head: 27.14% // No change to project coverage :thumbsup:

Coverage data is based on head (d9447c9) compared to base (ec445c3). Patch has no changes to coverable lines.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #106 +/- ## ======================================= Coverage 27.14% 27.14% ======================================= Files 15 15 Lines 700 700 Branches 181 181 ======================================= Hits 190 190 Misses 484 484 Partials 26 26 ``` Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andrey+Kolkov). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andrey+Kolkov)

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[ElBedeawi]

@kolkov Kindly Accept or Comment ASAP to release a new version.