Bump version to 0.16.6

[cliffhall]

Description

• In all package.json / package-lock.json
  • bump version number to 0.16.6

Motivation and Context

New release needed with some security fixes.

How Has This Been Tested?

Breaking Changes

Nope.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update
• Version bump

Checklist

• I have read the MCP Documentation
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have added or updated documentation as needed

Additional context

[QuantGeekDev]

PR 777 Awwww yeah

[cliffhall]

PR 777 Awwww yeah