Correct language tags on five non-YAML code examples

[SurefireStudios]

Why:

Closes:

Five code blocks in Remove access to public registries are tagged yaml copy but contain no YAML, so the highlighter applies the wrong grammar.

Block	Actual format
Yarn "Option 1" (x2)	yarn.lock lockfile
Pip "Option 1"	pip.conf (INI)
Pipenv "Option 1"	Pipfile (TOML)
Poetry "Option 1"	pyproject.toml (TOML)

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

Retagged those five blocks from yaml copy to text copy, keeping the copy attribute.

I picked text because it is already used ~400 times in content/ while toml and ini appear nowhere — happy to switch to toml for the Pipfile and pyproject.toml blocks if you prefer.

The seven genuine dependabot.yml examples in this article are untouched and still parse as YAML.

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.

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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
code-security/how-tos/secure-your-supply-chain/manage-your-dependency-security/remove-access-to-public-registries.md	fpt ghec ghes@ 3.22 3.21 3.20 3.19 3.18 3.17	fpt ghec ghes@ 3.22 3.21 3.20 3.19 3.18 3.17

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

🤖 This comment is automatically generated.

[janiceilene]

Thanks for the PR @SurefireStudios! It's helpful when you link to the article you're updating in the OP. It makes it easier to triage 💖 I'll send this over to the team.

[SurefireStudios]

Good call — added the article link to the OP, and to #45908 which edits the same article. Thanks for triaging.

[mchammer01]

Thanks for catching these incorrect language tags!⚡
The changes look good to me!

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