Reduce TX/RX buffers allocation #10435

Job	Run time
Unit tests on ubuntu-latest	22m 27s
Lints and doc tests on ubuntu-latest	12m 13s
markdown_lint	3s
Unit tests on windows-latest	33m 12s
Lints and doc tests on windows-latest	18m 43s
Unit tests on macos-13	16m 28s
Lints and doc tests on macos-13	17m 11s
Unit tests on macos-14	13m 3s
Typos Check	4s
Lints and doc tests on macos-14	10m 12s
Memory leak checks	2m 16s
CI status checks	1s
	2h 25m 53s

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