docs: guidelines for proto message's String() method (backport #13364)#13366

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tac0turtle merged 1 commit intorelease/v0.46.xfrom mergify/bp/release/v0.46.x/pr-13364

Sep 23, 2022

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Commits on Sep 22, 2022

docs: guidelines for proto message's String() method (#13364 )

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