Updated Pack property names to match CSS #7394

Job	Run time
Pre-commit checks / Pre-commit Checks	38s
Check towncrier / Towncrier Checks	30s
Package Toga (android) / Create Python Package	14s
Package Toga (core) / Create Python Package	16s
Package Toga (cocoa) / Create Python Package	16s
Package Toga (demo) / Create Python Package	22s
Package Toga (dummy) / Create Python Package	18s
Package Toga (gtk) / Create Python Package	23s
Package Toga (iOS) / Create Python Package	23s
Package Toga (textual) / Create Python Package	17s
Package Toga (toga) / Create Python Package	15s
Package Toga (web) / Create Python Package	15s
Package Toga (winforms) / Create Python Package	17s
MicroPython compatibility	37s
Test core (macos-latest, 3.9)	59s
Test core (macos-latest, 3.10)	1m 6s
Test core (macos-latest, 3.11)	43s
Test core (macos-latest, 3.12)	46s
Test core (macos-latest, 3.13)	46s
Test core (ubuntu-latest, 3.9)	52s
Test core (ubuntu-latest, 3.10)	57s
Test core (ubuntu-latest, 3.11)	48s
Test core (ubuntu-latest, 3.12)	1m 4s
Test core (ubuntu-latest, 3.13)	1m 8s
Test core (windows-latest, 3.9)	1m 43s
Test core (windows-latest, 3.10)	1m 47s
Test core (windows-latest, 3.11)	1m 47s
Test core (windows-latest, 3.12)	1m 55s
Test core (windows-latest, 3.13)	2m 13s
Coverage	26s
Testbed (macOS-x86_64)	8m 59s
Testbed (macOS-arm64)	6m 31s
Testbed (windows)	7m 52s
Testbed (linux-x11)	1m 41s
Testbed (linux-wayland)	1m 42s
Testbed (android)	10m 43s
Testbed (iOS)	6m 33s
Testbed (textual-linux)	50s
Testbed (textual-macOS)	1m 16s
Testbed (textual-windows)	2m 18s
	1h 12m 26s

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