Update AndroidX versions

[joshliebe]

Task/Issue URL: https://app.asana.com/0/1200204095367872/1207761853531200/f

Description

Brings AndroidX dependencies up-to-date:

- androidx.browser=1.7.0 → 1.8.0
- androidx.core=1.12.0 → 1.13.1
- androidx.fragment=1.5.2 → 1.8.1
- androidx.lifecycle=2.5.1 → 2.8.3
- androidx.test.orchestrator=1.4.2 → 1.5.0
- androidx.test.espresso=3.5.0 → 3.6.1
- androidx.test.ext.junit=1.1.4 → 1.2.1
- androidx.test.rules=1.5.0 → 1.6.1
- androidx.test.runner=1.5.1 → 1.6.1
- androidx.webkit=1.9.0 → 1.11.0
- androidx.work=2.7.1 → 2.9.0
- androidx.viewpager2=1.0.0 → 1.1.0

Test runs

• End-to-end: https://github.com/duckduckgo/Android/actions/runs/9909564980 ✅
• Nightly: https://github.com/duckduckgo/Android/actions/runs/9909423866 ✅
• Custom tabs: https://github.com/duckduckgo/Android/actions/runs/9909541427 ✅
• Design system: https://github.com/duckduckgo/Android/actions/runs/9909810696 ✅
• Autofill: https://github.com/duckduckgo/Android/actions/runs/9909863851 ✅

Steps to test this PR

• Smoke test

[joshliebe]

• Update AndroidX versions #4756 👈
• develop

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[anikiki]

LGTM! 👍 Smoke tested, didn't find any issues.