[DO NOT MERGE] Entity proof of concept#757

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bryce-b wants to merge 4 commits intomainfrom

Commits on Apr 28, 2025

updated opentelemetry-proto to v1.5.0
bryce-b
committed

Commits on Apr 30, 2025

added entity, entity builder, and updated Resource with entites
bryce-b
committed

Commits on May 1, 2025

Merge branch 'main' into entity-poc
bryce-b
authored

Commits on May 7, 2025

added detectors and updated protobufs
bryce-b
committed