fix(deps): update grpc-java monorepo to v1.64.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.grpc:grpc-netty	1.63.0 -> 1.64.0
io.grpc:grpc-protobuf	1.63.0 -> 1.64.0
io.grpc:grpc-stub	1.63.0 -> 1.64.0
io.grpc:grpc-core	1.63.0 -> 1.64.0

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Release Notes

grpc/grpc-java (io.grpc:grpc-netty)

### [`v1.64.0`](https://togithub.com/grpc/grpc-java/compare/v1.63.0...v1.64.0) [Compare Source](https://togithub.com/grpc/grpc-java/compare/v1.63.0...v1.64.0)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

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• [ ] If you want to rebase/retry this PR, check this box

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[github-actions[bot]]

Code Coverage

Total Project Coverage	84.56%	:white_check_mark:

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 84.29%. Comparing base (bb0e8af) to head (a4e1166). Report is 3 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #435 +/- ## ======================================= Coverage 84.29% 84.29% ======================================= Files 82 82 Lines 1967 1967 Branches 82 82 ======================================= Hits 1658 1658 Misses 262 262 Partials 47 47 ```

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