fix(config): link to configMigration issue

[HonkingGoose]

Changes

• Add link to Enable config migration by default #16359

Context

Yes, once I merge #16355 please then add experimentalIssues linking to a new issue you create called something like "Enable config migration by default"

I think this is what you wanted me to do?

I think we use the experimentalIssues field to auto-generate some docs?

renovate/tools/docs/config.ts

Lines 167 to 176 in 2b43f27

	const issues = el.experimentalIssues ?? [];
	if (issues.length > 0) {
	warning += `<br>To track this feature visit the following GitHub ${
	issues.length > 1 ? 'issues' : 'issue'
	} `;
	warning +=
	(issues
	.map((issue: number) => `[#${issue}](${ghIssuesUrl}${issue})`)
	.join(', ') as string) + '.';
	}

Documentation (please check one with an [x])

• I have updated the documentation, or
• No documentation update is required

How I've tested my work (please tick one)

I have verified these changes via:

• Code inspection only, or
• Newly added/modified unit tests, or
• No unit tests but ran on a real repository, or
• Both unit tests + ran on a real repository

[renovate-release]

🎉 This PR is included in version 32.102.2 🎉

The release is available on:

• GitHub release
• 32.102.2

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