refactor(dirname): implement pure string manipulation per POSIX#8936

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naoNao89 wants to merge 6 commits intouutils:mainfrom

naoNao89:test/dirname-additional-coverage

Commits on Oct 16, 2025

test(dirname): add coverage for missing operand and multiple paths
naoNao89
committed

Commits on Oct 17, 2025

refactor(dirname): implement pure string manipulation per POSIX
naoNao89
committed

Commits on Oct 20, 2025

test(dirname): remove redundant inline comments per review
naoNao89
committed

Commits on Nov 25, 2025

Merge branch 'main' into test/dirname-additional-coverage
naoNao89
authored

Commits on Dec 29, 2025

Merge branch 'main' into test/dirname-additional-coverage
sylvestre
authored

Commits on Jan 2, 2026

dirname: implement PR #8936 feedback
naoNao89
committed