Fix incorrect ending pattern for method definition with comment

[sounxrt]

Description of the Change

Change detect of method definition ends taking into account comment character

Alternate Designs

None

Benefits

• Fix incorrect detection of method definition end when there is a comment before line ends

For example, create a new file.md and add the following code

```ruby
def foo(bar) # a comment
end
```

this text still has the scope meta.function.method.with-arguments.ruby which is incorrect

Possible Drawbacks

Unknown

Applicable Issues

None