Updated Pack property names to match CSS #7412

Job	Run time
Pre-commit checks / Pre-commit Checks	46s
Check towncrier / Towncrier Checks	30s
Package Toga (android) / Create Python Package	25s
Package Toga (cocoa) / Create Python Package	25s
Package Toga (core) / Create Python Package	20s
Package Toga (demo) / Create Python Package	18s
Package Toga (gtk) / Create Python Package	20s
Package Toga (dummy) / Create Python Package	21s
Package Toga (iOS) / Create Python Package	18s
Package Toga (textual) / Create Python Package	15s
Package Toga (toga) / Create Python Package	16s
Package Toga (web) / Create Python Package	16s
Package Toga (winforms) / Create Python Package	24s
MicroPython compatibility	43s
Test core (macos-latest, 3.9)	1m 15s
Test core (macos-latest, 3.10)	56s
Test core (macos-latest, 3.11)	47s
Test core (macos-latest, 3.12)	49s
Test core (macos-latest, 3.13)	47s
Test core (ubuntu-latest, 3.9)	56s
Test core (ubuntu-latest, 3.10)	55s
Test core (ubuntu-latest, 3.11)	49s
Test core (ubuntu-latest, 3.12)	1m 13s
Test core (ubuntu-latest, 3.13)	1m 14s
Test core (windows-latest, 3.9)	1m 36s
Test core (windows-latest, 3.10)	1m 51s
Test core (windows-latest, 3.11)	1m 30s
Test core (windows-latest, 3.12)	1m 49s
Test core (windows-latest, 3.13)	2m 21s
Testbed (macOS-x86_64)	9m 17s
Coverage	37s
Testbed (macOS-arm64)	6m 37s
Testbed (windows)	8m 8s
Testbed (linux-x11)	6m 43s
Testbed (linux-wayland)	5m 40s
Testbed (android)	11m 39s
Testbed (iOS)	12m 20s
Testbed (textual-linux)	53s
Testbed (textual-macOS)	1m 22s
Testbed (textual-windows)	1m 50s
	1h 29m 31s

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