chore(deps): update dependency @mdit-vue/plugin-frontmatter to v3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@mdit-vue/plugin-frontmatter (source)	^2.1.4 -> ^3.0.2

---

Release Notes

mdit-vue/mdit-vue (@​mdit-vue/plugin-frontmatter)

v3.0.2

Compare Source

Bug Fixes

• plugin-title: avoid output types being tree-shaken (6255fd4)

v3.0.1

Compare Source

Note: Version bump only for package @​mdit-vue/monorepo

v3.0.0

Compare Source

Build System

• drop node 18 (a4775a6)

BREAKING CHANGES

• drop node 18 and migrate to pure ESM packages

2.1.4 (2025-04-10)

Bug Fixes

• plugin-frontmatter: extract frontmatter in parse step (close #​13) (#​14) (1192bd2)

2.1.3 (2024-05-13)

Note: Version bump only for package @​mdit-vue/monorepo

2.1.2 (2024-04-15)

Bug Fixes

• sync markdown-it types updates (#​9) (f6768b1)

2.1.1 (2024-04-13)

Bug Fixes

• plugin-component: inline html block tags to make cjs build work (eb1a264)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: bun.lock

Command failed: bun install --ignore-scripts
Resolving dependencies
Resolved, downloaded and extracted [0]
error: Workspace dependency "@stacksjs/validation" not found

Searched in "./*"

Workspace documentation: https://bun.com/docs/install/workspaces

error: @stacksjs/validation@workspace:* failed to resolve