Integers Parse Incorrectly

[Derekmod]

Describe the bug

YAML extension incorrectly parses integers with underscores as strings. They are a verbose (readable) format for numbers.

Expected Behavior

1_000 interpreted as integer

Current Behavior

1_000 interpreted as string

Steps to Reproduce

integer_schema.json

{"type": "integer"}

create config:

# yaml-language-server: $schema=integer_schema.json
1_000

get error

Environment

• [ ] Windows
• [X] Mac
• [ ] Linux
• [ ] other (please specify)