chore: update Playwright to 1.16.3, fix grid keyboard test

[web-padawan]

Description

Updated Playwright from 1.15.0 to 1.16.3 - let's see if some tests fail again and if we should fix something.

Type of change

• Internal change

[web-padawan]

One test is failing in WebKit, same as the previous time when I tried to upgrade Playwright:

packages/grid/test/keyboard-navigation.test.js:

 ❌ keyboard navigation > navigating with keys > horizontal scrolling > should scroll cells visible with end
      AssertionError: expected 200 to equal 400
      + expected - actual
      
      -200
      +400
      
      at r (node_modules/@esm-bundle/chai/node_modules/.pnpm/chai@4.3.4/node_modules/chai/chai.js:9576:21)
      at node_modules/@esm-bundle/chai/node_modules/.pnpm/chai@4.3.4/node_modules/chai/chai.js:251:8
      at p (node_modules/@esm-bundle/chai/node_modules/.pnpm/chai@4.3.4/node_modules/chai/chai.js:1410:10)
      at c (node_modules/@esm-bundle/chai/node_modules/.pnpm/chai@4.3.4/node_modules/chai/chai.js:7884:30)
      at handleDom (node_modules/@open-wc/semantic-dom-diff/chai-dom-diff.js:102:21)
      at f (node_modules/@esm-bundle/chai/node_modules/.pnpm/chai@4.3.4/node_modules/chai/chai.js:9164:38)
      at packages/grid/test/keyboard-navigation.test.js:1031:49

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
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[vaadin-bot]

This ticket/PR has been released with platform 22.0.0.beta2 and is also targeting the upcoming stable 22.0.0 version.