Docs: fix eslint comment in no-inner-declarations examples

[mdjermanovic]

Prerequisites checklist

• I have read the contributing guidelines.
• The team has reached consensus on the changes proposed in this pull request. If not, I understand that the evaluation process will begin with this pull request and won't be merged until the team has reached consensus.

What is the purpose of this pull request? (put an "X" next to an item)

[X] Documentation update

Fixes wrong eslint configuration in correct examples for the no-inner-declarations rule with the "both" option.

What changes did you make? (Give an overview)

Fixed eslint directive comment.

Is there anything you'd like reviewers to focus on?

[kaicataldo]

Thanks!