chore: release v0.3.4

[github-actions]

🤖 New release prepared

0.3.4 (2026-01-06)

✨ Features

• update about tab to include current year and support (#157) (5febaf4)

🐛 Bug Fixes

• improve auto-hide on non-default keyboard layers (#158) (df734da)
• load user layers when use user layout is toggled (6c34925)

📚 Documentation

• update workflow references and formatting in documentation (79c7849)

⚙️ CI/CD Pipeline

• add changelog fetching from release-please PR for nightly builds (10bb352)
• add manual test build workflow with version input for Windows (df48884)
• add manual workflow dispatch for testing of nightly-build (cd27a1b)
• add release pipeline workflow for building and testing Windows installers (29fa820)
• add verification for build output existence in Windows build script (cef21b7)
• correct powershell escape error (2775417)
• fix changelog fetching and parsing (8f24e70)
• improve changelog handling by using EOF delimiter for multiline content (f0546e9)
• improve ZIP integrity verification in release pipeline (9726946)
• remove debug output for changelog extraction in nightly build (7f8bcde)
• remove installer integrity tests from nightly and release pipelines (3960e52)
• update author for fetching release-please PR changelog (fb44c27)
• update nightly build versioning and installer output to reflect CI version (e56ea8d)

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