fix: upgrade Fastify to v5 to resolve CVE-2026-25223#1346
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🦋 Changeset detectedLatest commit: 0bb6f69 The changes in this PR will be included in the next version bump. This PR includes changesets to release 6 packages
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Summary
fastifyfrom v4 to v5.7.2+ in@callstack/repack-dev-serverto resolve CVE-2026-25223 (HIGH severity — body validation bypass via malformedContent-Typeheader)@fastify/middie^9.0.0,@fastify/sensible^6.0.0,fastify-plugin^5.0.0,fastify-favicon^5.0.0FastifyLoggerInstancetype withFastifyBaseLoggerWebSocketMessageServer.ts((obj, msg)instead of(msg, obj))Closes #1341
Test plan
pnpm build— dev-server compiles successfullypnpm typecheck— no type errorspnpm lint:ci— linting passespnpm test— all 9 task suites pass🤖 Generated with Claude Code