[yaml] [syntax-highlighting] Multi-line implicit strings break the file's syntax highlighting if they end in a single quotation mark

[munael]

• VSCode Version: 1.52.0
• OS Version: Windows 10 2004

Steps to Reproduce:

foo:
- bar:
  - foo '{
    }'
# Highlighting is broken starting here (shows as continuation of the string): --->>>
  baz:
  - foo

Does this issue occur when all extensions are disabled?: Yes

[alexr00]

Looks like a duplicate of textmate/yaml.tmbundle#31