feat(winforms): location support #7324

Job	Run time
Check towncrier / Towncrier Checks	36s
Pre-commit checks / Pre-commit Checks	42s
Package Toga (cocoa) / Create Python Package	15s
Package Toga (core) / Create Python Package	23s
Package Toga (android) / Create Python Package	26s
Package Toga (dummy) / Create Python Package	15s
Package Toga (demo) / Create Python Package	16s
Package Toga (gtk) / Create Python Package	19s
Package Toga (iOS) / Create Python Package	15s
Package Toga (textual) / Create Python Package	16s
Package Toga (toga) / Create Python Package	23s
Package Toga (web) / Create Python Package	14s
Package Toga (winforms) / Create Python Package	24s
Test core (macos-latest, 3.9)	59s
Test core (macos-latest, 3.10)	1m 2s
Test core (macos-latest, 3.11)	40s
Test core (macos-latest, 3.12)	44s
Test core (macos-latest, 3.13)	53s
Test core (ubuntu-latest, 3.9)	58s
Test core (ubuntu-latest, 3.10)	59s
Test core (ubuntu-latest, 3.11)	55s
Test core (ubuntu-latest, 3.12)	1m 5s
Test core (ubuntu-latest, 3.13)	1m 14s
Test core (windows-latest, 3.9)	1m 47s
Test core (windows-latest, 3.10)	1m 27s
Test core (windows-latest, 3.11)	1m 40s
Test core (windows-latest, 3.12)	1m 39s
Test core (windows-latest, 3.13)	2m 36s
Testbed (macOS-x86_64)	8m 2s
Testbed (macOS-arm64)	6m 23s
Coverage	32s
Testbed (windows)	8m 27s
Testbed (linux-x11)	5m 10s
Testbed (linux-wayland)	5m 29s
Testbed (android)	10m 25s
Testbed (iOS)	7m 45s
Testbed (textual-linux)	48s
Testbed (textual-macOS)	1m 12s
Testbed (textual-windows)	2m 2s
	1h 19m 37s

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