Summary:
Depends on D9461. Upgrade `grpc-ecosystem/go-grpc-middleware` to
drop dependence on `google.golang.org/grpc/examples`
Cleanup/upgrade all other indirect deps.

Test Plan: Existing build + tests

Reviewers: zasgar, michelle, #third_party_approvers

Reviewed By: zasgar, #third_party_approvers

Differential Revision: https://phab.corp.pixielabs.ai/D9462

GitOrigin-RevId: 3da7ad154aadedaa0d739631c00272b5ee29951c