Fix: upgrade grpc-go to v1.79.3 for CVE-2026-33186#5

cbullinger merged 2 commits intomaingrove-platform/github-copier:mainfrom

security/fix-grpc-go-cve-2026-33186grove-platform/github-copier:security/fix-grpc-go-cve-2026-33186Copy head branch name to clipboard