Bump Jitsi to v 11.4.0 with 16KB page size

[jmartinesp]

Type of change

• Feature
• Bugfix
• Technical
• Other :

Content

• Bumps the Jitsi library to a new version built with the required changes.
• Bumps the SDK check for Jitsi from 24 to 26.

Motivation and context

This is a Jitsi version upgrade to make Element Android compatible with the 16KB page size alignment restriction added by Google on new app versions.

Fixes #9041.

Tests

Make some calls, check everything works.

Tested devices

• Physical
• Emulator
• OS version(s): 14, 15

Checklist

• Changes has been tested on an Android device or Android emulator with API 21
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/element-hq/element-android/blob/develop/CONTRIBUTING.md#accessibility
• Pull request is based on the develop branch
• Pull request includes a new file under ./changelog.d. See https://github.com/element-hq/element-android/blob/develop/CONTRIBUTING.md#changelog
• Pull request includes screenshots or videos if containing UI changes
• Pull request includes a sign off
• You've made a self review of your PR
• If you have modified the screen flow, or added new screens to the application, you have updated the test UiAllScreensSanityTest.allScreensTest()

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[bmarty]

Just a remark about tools:overrideLibrary, else LGTM, thanks!

[bmarty]

The existing tools:overrideLibrary is actually located here: https://github.com/element-hq/element-android/blob/main/vector/src/main/AndroidManifest.xml#L57.

Better to add new override there.