[chore] update configgrpc references to use configoptional#5280

Merged

mx-psi merged 2 commits intojackgopack4/update-otel-2025Jul08from

jackgopack4/update-configgrpc-refs-configoptional

Jul 9, 2025

Commits on Jul 8, 2025

[chore] update configgrpc.ServerConfig and configgrpc.ClientConfig to use configoptional for Keepalive, Auth, and ServerConfig.TLS
jackgopack4
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[chore] make gotidy
jackgopack4
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