Bump pytest from 8.3.2 to 8.3.3 in /core #6744

Job	Run time
Check towncrier / Towncrier Checks	1s
Pre-commit checks / Pre-commit Checks	1s
Package Toga (android) / Create Python Package	1s
Package Toga (cocoa) / Create Python Package	1s
Package Toga (core) / Create Python Package	1s
Package Toga (demo) / Create Python Package	1s
Package Toga (dummy) / Create Python Package	1s
Package Toga (gtk) / Create Python Package	1s
Package Toga (iOS) / Create Python Package	1s
Package Toga (textual) / Create Python Package	1s
Package Toga (toga) / Create Python Package	1s
Package Toga (web) / Create Python Package	1s
Package Toga (winforms) / Create Python Package	1s
Test core	1s
Testbed	1s
Coverage	1s
	16s

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