Bump sphinx-toolbox from 3.8.1 to 3.8.2 in /core #8087

Job	Run time
Check towncrier / Towncrier Checks	6s
Pre-commit checks / Pre-commit Checks	6s
Package Toga (cocoa) / Create Python Package	7s
Package Toga (android) / Create Python Package	5s
Package Toga (core) / Create Python Package	5s
Package Toga (demo) / Create Python Package	5s
Package Toga (dummy) / Create Python Package	6s
Package Toga (gtk) / Create Python Package	7s
Package Toga (iOS) / Create Python Package	5s
Package Toga (textual) / Create Python Package	4s
Package Toga (toga) / Create Python Package	6s
Package Toga (travertino) / Create Python Package	4s
Package Toga (web) / Create Python Package	4s
Package Toga (winforms) / Create Python Package	5s
Test ${{ matrix.package }} (${{ matrix.platform }}, ${{ matrix.python-version }})	1s
MicroPython compatibility	1s
Coverage: ${{ matrix.package }}	1s
Testbed	1s
	1m 19s

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