Bump msgpack from 1.8.0 to 1.8.5 in /ruby in the patch-gem-update group

[dependabot]

Bumps the patch-gem-update group in /ruby with 1 update: msgpack.

Updates msgpack from 1.8.0 to 1.8.5

Changelog

Sourced from msgpack's changelog.

2026-09-11 1.8.5

• Prevent stack depth underflow when skipping from recursive unpacker.
• Fix Unpacker#skip_nil to properly consume the buffer.
• Fix some small difference in Factory registration of the Java implementation.
• Fix some Factory/ext_type optimization edge cases.

2026-07-28 1.8.4

• Fix MessagePack::Buffer to stop using already released memory page. This could have caused data to leak across buffers when using the MessagePack::Buffer API directly.

2026-06-10 1.8.3

• Fix an integer overflow when parsing maps.

2026-06-09 1.8.2

• Fix Buffer#clear to properly reset memory chunks before adding them back to the pool. This could have caused data to leak across buffers when using the MessagePack::Buffer API directly. [CVE-2026-54522].

2026-05-28 1.8.1

• Workaround rare compilation issue when rb_hash_new_capa isn't properly detected.
• Never pre-allocate strings larger than the buffered size.

Commits

• 972321a Release 1.8.5
• db16d5d Merge pull request #406 from youdie006/symbol-unpacker-only-npe
• 72cda9b Guard packerProc against a missing :packer key on JRuby
• 4e2a755 Merge pull request #405 from Watson1978/fix/recursive-ext-stack-underflow
• 7ff80ad Fix SEGV on stack depth underflow in recursive extension unpacking
• 29d98d3 Merge pull request #403 from OskarEichler/audit/factory-registration-edge-cases
• 663c3a3 Merge pull request #404 from OskarEichler/audit/consume-skip-nil
• 512b587 Consume nil in Unpacker#skip_nil
• c3d1c61 Fix Factory registration edge cases
• 8c429cd Merge pull request #402 from msgpack/gc-guard
• 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 <dependency name> major version will close this group update PR and stop Dependabot creating any more for the specific dependency's major version (unless you unignore this specific dependency's major version or upgrade to it yourself)
• @dependabot ignore <dependency name> minor version will close this group update PR and stop Dependabot creating any more for the specific dependency's minor version (unless you unignore this specific dependency's minor version or upgrade to it yourself)
• @dependabot ignore <dependency name> will close this group update PR and stop Dependabot creating any more for the specific dependency (unless you unignore this specific dependency or upgrade to it yourself)
• @dependabot unignore <dependency name> will remove all of the ignore conditions of the specified dependency
• @dependabot unignore <dependency name> <ignore condition> will remove the ignore condition of the specified dependency and ignore conditions