DepthAI Demo v3.0.3 - Qt5 migration and statistics aggregation

Features

• Add statistics aggregation by @VanDavv in #531
• Added capability to force update to a new version by @themarpe in #540
• Installer Windows Signing by @themarpe in #539
• Migrate QT to pyQt5 by @VanDavv in #534
• Allow to specify which render backend to use (-gt / --guiType) by @VanDavv in #550
• draw FPS in PreviewManager by @VanDavv in #563
• Add human-pose-estimation-0001 support by @VanDavv in #566

Bugs

• Add a workaround for GUI blank window on Windows: by @Erol444 in #532
• Fix installing requirements on Windows: pyrebase -> pyrebase4 by @alex-luxonis in #551
• fix broken example usages links in SDK docs by @VanDavv in #555
• Add DEPTHAI_INSTALL_SIGNAL_HANDLER=0 to avoid segfault on RPi by @VanDavv in #558

Misc

• Fix VideoEncoder deprecated warnings by @alex-luxonis in #543
• Update to latest depthai: 2.13.3.0 by @alex-luxonis in #561
• Install numpy version based on python version by @szabi-luxonis in #560

Full Changelog: v3.0.2...v3.0.3