fix: add Unicode normalization and homoglyph detection to tool name validation #3556

Job	Run time
checks / pre-commit	27s
checks / readme-snippets	16s
checks / docs	1m 4s
checks / test (3.11, lowest-direct, windows-latest)	1m 45s
checks / test (3.13, lowest-direct, windows-latest)	1m 54s
checks / test (3.12, locked, windows-latest)	2m 4s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 10s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 11s
checks / test (3.14, lowest-direct, windows-latest)	1m 53s
checks / test (3.12, locked, ubuntu-latest)	1m 35s
checks / test (3.10, locked, windows-latest)	1m 55s
checks / test (3.10, locked, ubuntu-latest)	1m 21s
checks / test (3.11, locked, windows-latest)	1m 50s
checks / test (3.14, locked, ubuntu-latest)	1m 15s
checks / test (3.10, lowest-direct, windows-latest)	1m 49s
checks / test (3.13, locked, windows-latest)	1m 52s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 15s
checks / test (3.14, locked, windows-latest)	1m 56s
checks / test (3.11, locked, ubuntu-latest)	1m 13s
checks / test (3.12, lowest-direct, windows-latest)	1m 44s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 6s
checks / test (3.13, locked, ubuntu-latest)	1m 6s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 22s
all-green	5s
	33m 8s

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