chore: bump Node-20 actions to Node-24 compatible SHAs #124

Job	Run time
Action pinning audit	7s
Lint & Format	10s
Coverage	26s
Type Check	19s
src/ README audit	7s
Frontend Build	17s
Pre-commit	1m 3s
Unit tests	33s
File length	5s
Tests required	8s
Branch-protection contexts sync	11s
Version bump check	10s
Aspirational ticket cite	6s
Commit-type sync	12s
Architecture (import-linter)	10s
Frontend Quality	20s
	4m 24s

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