Updated Pack property names to match CSS #7395

Job	Run time
Pre-commit checks / Pre-commit Checks	36s
Check towncrier / Towncrier Checks	34s
Package Toga (android) / Create Python Package	19s
Package Toga (cocoa) / Create Python Package	18s
Package Toga (demo) / Create Python Package	24s
Package Toga (core) / Create Python Package	24s
Package Toga (dummy) / Create Python Package	26s
Package Toga (gtk) / Create Python Package	18s
Package Toga (iOS) / Create Python Package	19s
Package Toga (textual) / Create Python Package	18s
Package Toga (toga) / Create Python Package	25s
Package Toga (web) / Create Python Package	25s
Package Toga (winforms) / Create Python Package	26s
MicroPython compatibility	43s
Test core (macos-latest, 3.9)	1m 1s
Test core (macos-latest, 3.10)	59s
Test core (macos-latest, 3.11)	50s
Test core (macos-latest, 3.12)	46s
Test core (macos-latest, 3.13)	48s
Test core (ubuntu-latest, 3.9)	55s
Test core (ubuntu-latest, 3.10)	52s
Test core (ubuntu-latest, 3.11)	47s
Test core (ubuntu-latest, 3.12)	1m 7s
Test core (ubuntu-latest, 3.13)	1m 14s
Test core (windows-latest, 3.9)	1m 43s
Test core (windows-latest, 3.10)	1m 51s
Test core (windows-latest, 3.11)	1m 49s
Test core (windows-latest, 3.12)	1m 39s
Test core (windows-latest, 3.13)	2m 14s
Coverage	36s
Testbed (macOS-x86_64)	7m 51s
Testbed (macOS-arm64)	6m 37s
Testbed (windows)	7m 52s
Testbed (linux-x11)	5m 12s
Testbed (linux-wayland)	5m 40s
Testbed (android)	10m 44s
Testbed (iOS)	6m 40s
Testbed (textual-linux)	54s
Testbed (textual-macOS)	55s
Testbed (textual-windows)	1m 56s
	1h 19m 27s

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