fix: add Unicode normalization and homoglyph detection to tool name validation #3557

Job	Run time
checks / docs	1m 5s
checks / pre-commit	50s
checks / readme-snippets	14s
checks / test (3.10, locked, ubuntu-latest)	1m 21s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 13s
checks / test (3.10, locked, windows-latest)	1m 57s
checks / test (3.11, locked, ubuntu-latest)	1m 12s
checks / test (3.10, lowest-direct, windows-latest)	1m 50s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 18s
checks / test (3.11, locked, windows-latest)	1m 53s
checks / test (3.11, lowest-direct, windows-latest)	1m 51s
checks / test (3.12, lowest-direct, windows-latest)	2m 0s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 14s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 14s
checks / test (3.14, locked, windows-latest)	1m 57s
checks / test (3.14, lowest-direct, windows-latest)	1m 51s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 12s
checks / test (3.12, locked, windows-latest)	1m 53s
checks / test (3.14, locked, ubuntu-latest)	1m 14s
checks / test (3.12, locked, ubuntu-latest)	1m 35s
checks / test (3.13, lowest-direct, windows-latest)	1m 52s
checks / test (3.13, locked, ubuntu-latest)	1m 6s
checks / test (3.13, locked, windows-latest)	2m 19s
all-green	2s
	34m 13s

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