Update dependency chromatic to v7

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
chromatic (source)	6.24.1 -> 7.1.0

---

Release Notes

chromaui/chromatic-cli (chromatic)

v7.1.0

Compare Source

• 812 Allow running a build from a repo with only one commit when not in CI
• 810 Add onTaskStart, and a new typed field ctx.task
• 808 Add onTaskError option to report errors to node consumers
• 813 Rename onTaskError to experimental_onTaskError

v7.0.0

Compare Source

• 789 Use @antfu/ni to support pnpm for Storybook build
• 805 Add a onTaskProgress option and report progress on it

This is a potentially breaking change due to the introduction of @​antfu/ni to handle running the storybook build command in the Build Storybook step.

---

Configuration

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

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

♻ Rebasing: Whenever PR becomes conflicted, 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 has been generated by Mend Renovate. View repository job log here.