Remove `validated_struct` dependency #8594

Job	Run time
Lints and doc tests on ubuntu-latest	8m 57s
Unit tests on ubuntu-latest	22m 36s
Lints and doc tests on windows-latest	11m 11s
Typos Check	7s
Unit tests on windows-latest	35m 31s
Lints and doc tests on macos-13	18m 3s
Unit tests on macos-13	14m 16s
Lints and doc tests on macos-14	6m 42s
Unit tests on macos-14	12m 16s
Memory leak checks	2m 19s
CI status checks	1s
	2h 11m 59s

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