fix: DOC503 catch namespaced exceptions #415

Job	Run time
Test pre-commit console encoding	22s
Test Python 3.8 (ubuntu-latest)	58s
Test Python 3.9 (ubuntu-latest)	1m 1s
Test Python 3.10 (ubuntu-latest)	56s
Test Python 3.11 (ubuntu-latest)	55s
Test Python 3.12 (ubuntu-latest)	20s
Test Python 3.8 (windows-latest)	2m 34s
Test Python 3.9 (windows-latest)	2m 1s
Test Python 3.10 (windows-latest)	2m 3s
Test Python 3.11 (windows-latest)	2m 3s
Test Python 3.12 (windows-latest)	48s
Test Python 3.8 (macOS-latest)	1m 45s
Test Python 3.9 (macOS-latest)	54s
Test Python 3.10 (macOS-latest)	55s
Test Python 3.11 (macOS-latest)	55s
Test Python 3.12 (macOS-latest)	16s
	18m 46s

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