fix(deps): update module google.golang.org/grpc to v1.76.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
google.golang.org/grpc	v1.75.1 -> v1.76.0

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Warning

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Release Notes

grpc/grpc-go (google.golang.org/grpc)

v1.76.0: Release 1.76.0

Compare Source

Dependencies

• Minimum supported Go version is now 1.24 (#​8509)
  • Special Thanks: @​kevinGC

Bug Fixes

• client: Return status INTERNAL when a server sends zero response messages for a unary or client-streaming RPC. (#​8523)
• client: Fail RPCs with status INTERNAL instead of UNKNOWN upon receiving http headers with status 1xx and END_STREAM flag set. (#​8518)
  • Special Thanks: @​vinothkumarr227
• pick_first: Fix race condition that could cause pick_first to get stuck in IDLE state on backend address change. (#​8615)

New Features

• credentials: Add credentials/jwt package providing file-based JWT PerRPCCredentials (A97). (#​8431)
  • Special Thanks: @​dimpavloff

Performance Improvements

• client: Improve HTTP/2 header size estimate to reduce re-allocations. (#​8547)
• encoding/proto: Avoid redundant message size calculation when marshaling. (#​8569)
  • Special Thanks: @​rs-unity

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[renovate]

ℹ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• 4 additional dependencies were updated

Details:

Package	Change
golang.org/x/net	v0.41.0 -> v0.42.0
golang.org/x/sys	v0.33.0 -> v0.34.0
golang.org/x/text	v0.26.0 -> v0.27.0
google.golang.org/genproto/googleapis/rpc	v0.0.0-20250707201910-8d1bb00bc6a7 -> v0.0.0-20250804133106-a7a43d27e69b