chore: bump cpp lib version to 0.11.2

[zong-zhe]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• N
• Y

2. What is the scope of this PR (e.g. component or file name):

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Other

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• N
• Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• Unit test
• Integration test
• Benchmark (add benchmark stats below)
• Manual test (add detailed scripts or steps below)
• Other

[Copilot]

Pull Request Overview

This PR bumps the cpp library version from 0.11.1 to 0.11.2 to keep the versioning up to date.

• Updated the GIT_TAG in cpp/README.md
• Updated the version and dependency version in cpp/Cargo.toml

Reviewed Changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
cpp/README.md	Updated the git tag for the library version bump
cpp/Cargo.toml	Updated the package version and dependency version

Files not reviewed (1)

• cpp/CMakeLists.txt: Language not supported

[zong-zhe]

cc @He1pa 😄

[He1pa]

lgtm