Bump toolhive-core

[rdimitrov]

Summary

The following PR:

• Bumps toolhive-core to v0.0.12
• Update: Fixed E2E test failures caused by the verification fix in toolhive-core v0.0.12. Previously, image verification would fail and emit a warning containing the image name to stderr. Several E2E tests were inadvertently relying on that warning to assert the server name appeared in the output. Now that verification succeeds silently, those assertions fail. Removed 25 fragile output assertions across 8 test files — the actual server startup is already validated by WaitForMCPServer.

Fixes #

Type of change

• Bug fix
• New feature
• Refactoring (no behavior change)
• Dependency update
• Documentation
• Other (describe):

Test plan

• Unit tests (task test)
• E2E tests (task test-e2e)
• Linting (task lint-fix)
• Manual testing (describe below)

Changes

File	Change

Does this introduce a user-facing change?

Special notes for reviewers

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.04%. Comparing base (0de510d) to head (b462d34).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4166      +/-   ##
==========================================
+ Coverage   68.98%   69.04%   +0.06%     
==========================================
  Files         462      462              
  Lines       46554    46554              
==========================================
+ Hits        32115    32144      +29     
+ Misses      11899    11868      -31     
- Partials     2540     2542       +2     

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