[Aikido] Fix security issue in google.golang.org/grpc via minor version upgrade from 1.80.0 to 1.82.1

[aikido-autofix]

Upgrade grpc-go to fix authorization bypass in xDS RBAC, HTTP/2 Rapid Reset DoS, and server panic vulnerabilities.

✅ 1 CVE resolved by this upgrade

This PR will resolve the following CVEs:

Issue	Severity	Description
GHSA-hrxh-6v49-42gf	HIGH	[google.golang.org/grpc] Three vulnerabilities affect xDS RBAC authorization and HTTP/2 transport: authorization bypass when unsupported Metadata/RequestedServerName matchers are silently ignored, denial of service via HTTP/2 Rapid Reset mitigation bypass causing high CPU, and server panic when NOT rules wrap unsupported fields in RBAC policies.

[deepsource-io]

DeepSource Code Review

We reviewed changes in 43d7321...27b3891 on this pull request. Below is the summary for the review, and you can see the individual issues we found as inline review comments.

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PR Report Card

Overall Grade

Security   Reliability   Complexity   Hygiene

Code Review Summary

Analyzer	Status	Updated (UTC)	Details
Go		Jul 23, 2026 12:46a.m.	Review ↗

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[aikido-autofix]

Closed by Aikido: a new AutoFix has been created → #1101