Update using-yaml-frontmatter.md

[vit100-trader]

Why:

title tag is required according to this code:

docs/src/frame/lib/frontmatter.js

Line 40 in f584b8f

required: ['title', 'versions'],

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

• The title field in YAML frontmatter is now marked as required instead of optional, making it clear that every page must specify a human-friendly title.

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Pull Request Overview

This PR updates the documentation to correctly reflect that the title field in YAML frontmatter is required rather than optional. The change aligns the documentation with the actual code implementation that validates the presence of the title field.

• Updated the title field documentation from "Optional" to "Required"

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Source	Review	Production	What Changed
contributing/writing-for-github-docs/using-yaml-frontmatter.md	fpt ghec ghes@ 3.17 3.16 3.15 3.14	fpt ghec ghes@ 3.17 3.16 3.15 3.14

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🤖 This comment is automatically generated.

[Sharra-writes]

@vit100-trader Looks good! Thanks for catching that. I'll get this added to the merge queue once checks are passing.

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