Update grpc-java monorepo to v1.82.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
io.grpc:grpc-protobuf	1.82.1 → 1.82.2
io.grpc:grpc-stub	1.82.1 → 1.82.2
io.grpc:grpc-netty	1.82.1 → 1.82.2
io.grpc:protoc-gen-grpc-java	1.82.1 → 1.82.2

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Release Notes

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

v1.82.2

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