fix: add Unicode normalization and homoglyph detection to tool name validation #3554

Job	Run time
checks / readme-snippets	13s
checks / docs	1m 1s
checks / pre-commit	20s
checks / test (3.13, locked, ubuntu-latest)	1m 12s
checks / test (3.14, lowest-direct, windows-latest)	1m 52s
checks / test (3.12, locked, ubuntu-latest)	1m 11s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 13s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 17s
checks / test (3.10, locked, windows-latest)	1m 59s
checks / test (3.13, locked, windows-latest)	1m 37s
checks / test (3.11, lowest-direct, windows-latest)	1m 53s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 17s
checks / test (3.12, locked, windows-latest)	2m 1s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 11s
checks / test (3.12, lowest-direct, windows-latest)	1m 39s
checks / test (3.14, locked, ubuntu-latest)	1m 16s
checks / test (3.10, lowest-direct, windows-latest)	1m 57s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 6s
checks / test (3.11, locked, ubuntu-latest)	1m 22s
checks / test (3.14, locked, windows-latest)	2m 1s
checks / test (3.13, lowest-direct, windows-latest)	2m 6s
checks / test (3.10, locked, ubuntu-latest)	1m 21s
checks / test (3.11, locked, windows-latest)	1m 55s
all-green	4s
	33m 4s

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