bug: comment must be after a whitespece

[Freed-Wu]

Did you check existing issues?

• I have read all the tree-sitter docs if it relates to using the parser
• I have searched the existing issues

Tree-Sitter CLI Version, if relevant (output of tree-sitter --version)

No response

Describe the bug

Same as raimon49/requirements.txt.vim#40

comment must be after a whitespace. otherwise pip will report error.

Reported by @kamrup

Steps To Reproduce/Bad Parse Tree

numpy==2.1.3#not a comment

Expected Behavior/Parse Tree

(file ; [0, 0] - [1, 0]
  (requirement ; [0, 0] - [0, 12]
    (package) ; [0, 0] - [0, 5]
    (version_spec ; [0, 5] - [0, 12]
      (version_cmp) ; [0, 5] - [0, 7]
      (version))) ; [0, 7] - [0, 12]
  (comment ; [0, 12] - [0, 26]
    (source))) ; [0, 12] - [0, 26]

Repro

No response