noleaker v0.3.0

Fixes

• fix(e2e): start Firefox with system access so WebDriver can open moz-extension pages (6a9fc14)
• fix(firefox): require Firefox for Android 142 for data_collection_permissions (59e0230)

Other changes

• chore: add release script; changelog shared by script and workflow (c910fd3)
• ci: write a grouped changelog into release notes (ff26cae)

Full changelog: v0.2.1...v0.3.0