Update shared gaia-icons#0.5.2 and gaia-header#v0.3.8
Bug 1034274 - Use a structured logging reporter for Gaia Unit Tests;r=jgriffin
Bug 1049477 - Remove logic from test_lockscreen_unlock_to_emergency_call_screen.py
Merge pull request #22685 from gregarndt/bug_1049477

Bug 1049477 - Remove logic from test_lockscreen_unlock_to_emergency_call...
Merge pull request #22919 from wilsonpage/1054005

Update gaia-icons#0.5.0 and gaia-header#v0.3.6
Merge pull request #22846 from chmanchester/gu-structured

Bug 1034274 - Use a structured logging reporter for Gaia Unit Tests;r=jgriffin