samples: Adding samples for updating & querying Proto messages & enums#2211

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gauravpurohit06 merged 4 commits intogoogleapis:proto-column-enhancement-alphafrom gauravpurohit06:proto-enum-samples

Jan 5, 2023

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Commits on Dec 28, 2022

Commits on Dec 29, 2022

docs: Adding function and class doc
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