Drop Python 3.9 support, add 3.14 #373

Job	Run time
Pre-commit checks / Pre-commit Checks	13s
Unit tests (macOS-Xcode, 3.10)	2m 40s
Unit tests (macOS-Xcode, 3.11)	2m 33s
Unit tests (macOS-Xcode, 3.13)	2m 29s
Unit tests (macOS-Xcode, 3.14)	2m 43s
Unit tests (macOS-app, 3.12)	1m 58s
Unit tests (linux-flatpak, 3.11)	6m 23s
Unit tests (linux-flatpak, 3.13)	6m 16s
Unit tests (macOS-app, 3.11)	2m 23s
Unit tests (macOS-app, 3.13)	1m 57s
Unit tests (linux-flatpak, 3.10)	5m 15s
Unit tests (macOS-app, 3.14)	1m 33s
Unit tests (linux-flatpak, 3.14)	4m 3s
Unit tests (windows-VisualStudio, 3.12)	3m 23s
Unit tests (linux-flatpak, 3.12)	6m 30s
Unit tests (windows-VisualStudio, 3.10)	3m 12s
Unit tests (macOS-Xcode, 3.12)	3m 37s
Unit tests (windows-VisualStudio, 3.13)	3m 55s
Unit tests (windows-VisualStudio, 3.11)	4m 32s
Unit tests (macOS-app, 3.10)	2m 8s
Unit tests (windows-VisualStudio, 3.14)	4m 32s
Unit tests (windows-app, 3.14)	2m 31s
Unit tests (iOS, 3.12)	4m 43s
Unit tests (iOS, 3.10)	5m 15s
Unit tests (windows-app, 3.12)	3m 32s
Unit tests (iOS, 3.14)	4m 24s
Unit tests (windows-app, 3.11)	2m 35s
Unit tests (windows-app, 3.10)	2m 59s
Unit tests (iOS, 3.13)	3m 50s
Unit tests (windows-app, 3.13)	3m 7s
Unit tests (iOS, 3.11)	4m 5s
Unit tests (android, 3.12)	6m 48s
Unit tests (linux-system, system, ubuntu-latest, sudo apt update -y && sudo apt install -y --no-i...	1m 38s
Unit tests (android, 3.10)	7m 19s
Unit tests (android, 3.13)	7m 3s
Unit tests (android, 3.11)	5m 55s
	2h 17m 59s

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