chore: bump orjson from 3.11.5 to 3.11.6 in /libs/core

[dependabot]

Bumps orjson from 3.11.5 to 3.11.6.

Release notes

Sourced from orjson's releases.

3.11.6

Changed

• orjson now includes code licensed under the Mozilla Public License 2.0 (MPL-2.0).
• Drop support for Python 3.9.
• ABI compatibility with CPython 3.15 alpha 5.
• Build now depends on Rust 1.89 or later instead of 1.85.

Fixed

• Fix sporadic crash serializing deeply nested list of dict.

Changelog

Sourced from orjson's changelog.

3.11.6 - 2026-01-29

Changed

• orjson now includes code licensed under the Mozilla Public License 2.0 (MPL-2.0).
• Drop support for Python 3.9.
• ABI compatibility with CPython 3.15 alpha 5.
• Build now depends on Rust 1.89 or later instead of 1.85.

Fixed

• Fix sporadic crash serializing deeply nested list of dict.

Commits

• ec02024 3.11.6
• d581687 build, clippy misc
• 4105b29 writer::num
• 62bb185 Fix sporadic crash on serializing object close
• d860078 PyRef idiom refactors
• 343ae2f Deserializer, Utf8Buffer
• 7835f58 PyBytesRef and other input refactor
• 71e0516 PyStrRef
• 1096df4 MSRV 1.89
• b718e75 Drop support for python3.9
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
  You can disable automated security fix PRs for this repo from the Security Alerts page.

[codspeed-hq]

Merging this PR will not alter performance

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

✅ 13 untouched benchmarks
⏩ 23 skipped benchmarks¹

---

_{Comparing dependabot/uv/libs/core/orjson-3.11.6 (7b50d5b) with master (cee6430)}

Footnotes

1. 23 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩