Typo: config.yml not _config.yml

[ferdnyc]

Why:

In the project health docs, #35289 changed a _config.yml_ (italics) to be an inline fenced literal instead (config.yml), for the issue template config file name. But the leading underscore was inadvertently left in, making it _config.yml which is incorrect.

What's being changed (if available, include any code snippets, screenshots, or gifs):

Check off the following:

• A subject matter expert (SME) has reviewed the technical accuracy of the content in this PR. In most cases, the author can be the SME. Open source contributions may require an SME review from GitHub staff.
• The changes in this PR meet the docs fundamentals that are required for all content.
• All CI checks are passing and the changes look good in the review environment.

[github-actions]

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Table of review links

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The table shows the files in the content directory that were changed in this pull request. This helps you review your changes on a staging server. Changes to the data directory are not included in this table.

Source	Review	Production	What Changed
communities/setting-up-your-project-for-healthy-contributions/creating-a-default-community-health-file.md	fpt ghec ghes@ 3.21 3.20 3.19 3.18 3.17	fpt ghec ghes@ 3.21 3.20 3.19 3.18 3.17

Key: fpt: Free, Pro, Team; ghec: GitHub Enterprise Cloud; ghes: GitHub Enterprise Server

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[Sharra-writes]

@ferdnyc Looks like this is probably accurate. Don't worry about the checks that aren't passing - it's a workflow thing on our end. Hopefully it will be fixed soon.

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