fix: update msgpack to version 0.9.11

[ttypic]

Resolves #1187

Summary by CodeRabbit

• Chores
  • Updated msgpack dependency to version 0.9.11.

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[coderabbitai]

Walkthrough

The msgpack dependency version is upgraded from 0.8.11 to 0.9.11 in the Gradle configuration file. This addresses a denial-of-service vulnerability (CVE-2026-21452) present in earlier versions of the msgpack library.

Changes

Cohort / File(s)	Summary
Dependency Version Update gradle/libs.versions.toml	Updated msgpack from 0.8.11 to 0.9.11 to patch CVE-2026-21452

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~1 minute

Poem

🐰 A nibble, a bump, a version so new,
From 0.8 to 0.9, the bugs say "boo!"
CVE squashed with a hop and a bound,
Msgpack's all safer, no DOS around,
One line changed, vulnerability's gone! 🔒

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately and concisely summarizes the main change: updating msgpack from 0.8.11 to 0.9.11, which is exactly what the changeset does.
Linked Issues check	✅ Passed	The PR successfully addresses all coding requirements from linked issues [#1187, ECO-5681]: msgpack dependency upgraded to 0.9.11, remedying the CVE-2026-21452 denial-of-service vulnerability.
Out of Scope Changes check	✅ Passed	All changes are in-scope; only the msgpack version entry in gradle/libs.versions.toml was modified, directly addressing the linked issue requirements.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch ECO-5681/fix-msgpack-dependency

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[VeskeR]

LGTM, will leave up to you to wait for green CI