build(deps): bump google.golang.org/grpc to v1.83.1 - #10
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Fixes GHSA-vp52-pcj8-j9qc / CVE-2026-84304 (high): an unauthenticated remote peer can fragment a gRPC stream into millions of tiny HTTP/2 DATA frames. Each fragment carries per-frame tracking and queue allocation, so the heap grows far beyond the flow-control window and the process can be driven to OOM. Affects grpc-go <= 1.83.0; fixed in 1.83.1 by receive buffer compaction. This matters here because spire-server's agent endpoint has to accept connections from agents that have not attested yet, so the HTTP/2 layer is reachable before any gRPC-level authentication. Upstream carries the same version on main after the v1.15.3 release, so this should not conflict on the next upstream merge. go.mod and go.sum only; no other dependency moved. spire-agent builds. Signed-off-by: jungooji <46273764+zzzz465@users.noreply.github.com>
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bump grpc version