Incorrect description syntax highlight

[Netail]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

Expected Behavior

Expect the opening quotation marks of a description to be highlighted grey, like the rest of the description

Steps To Reproduce

1. Create some descriptions single & multi quotation mark descriptions above types

Environment

• GraphQL.vscode-graphql: 0.13.2
• GraphQL.vscode-graphql-syntax: 1.3.8
• OS: MacOS

Anything else?

No response