Disable topic checker workflow for now

[ahpook]

This unfortunately needs permissions it can't easily get,
in order to run on non-maintainer-submitted PRs. Disabling
until we can work through this in a better way.

Please confirm this pull request meets the following requirements:

• I followed the contributing guidelines: https://github.com/github/explore/blob/main/CONTRIBUTING.md.
• I am not the sole author or employee of a company who created either the topic I am modifying/adding or the collection entry I am modifying/adding.

Which change are you proposing?

• Suggesting edits to an existing topic or collection
• Curating a new topic or collection
• Something that does not neatly fit into the binary options above

[Copilot]

Pull Request Overview

This PR temporarily disables the topic checker workflow due to permission issues.

• Disables matching by introducing a dummy file path ("ENOSUCHPATH").
• Adds comments explaining the temporary workaround.

Comments suppressed due to low confidence (1)

.github/workflows/topic-commenter.yml:4

• [nitpick] Consider capitalizing 'I' in the comment to follow standard writing conventions.

# until we can fix it with a better bot, i'll preserve

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