Update fast-json-patch to 2.0.6

[meros]

In react native the dependancy fast-json-patch 1.2.2 causes problems. Update this dependancy to latest stable.

See issues:
#1239
Starcounter-Jack/JSON-Patch#169

Description

• Update version of fast-json-patch dependancy from 1.2.2 to 2.0.6 in package.json

Motivation and Context

Fixes #1239

How Has This Been Tested?

Tested in affect react native application.
Tested using test script in swagger-js package

Screenshots (if appropriate):

Types of changes

• No code changes (changes to documentation, CI, metadata, etc)
• [x ] Dependency changes (any modification to dependencies in package.json)
• [x ] 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)

Checklist:

• [ x] My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• [x ] All new and existing tests passed.

[shockey]

thanks @meros! 😄