fix: Redirect old debug guide URL to new URL

[richardlau]

Description

Add a redirect from the old URL https://nodejs.org/en/docs/guides/debugging-getting-started to the new URL at https://nodejs.org/en/learn/getting-started/debugging.

A GitHub search shows the old URL being widely referenced.

Validation

https://nodejs.org/en/docs/guides/debugging-getting-started/ should redirect to the new location and NOT show a 404 error page.

Related Issues

Refs: #6219
Refs: #6265
Refs: #6288

Check List

• I have read the Contributing Guidelines and made commit messages that follow the guideline.
• I have run npx turbo lint to ensure the code follows the style guide. And run npx turbo lint:fix to fix the style errors if necessary.
• I have run npx turbo format to ensure the code follows the style guide.
• I have run npx turbo test to check if all tests are passing.
• I've covered new added functionality with unit tests if necessary.

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Name	Status	Preview	Comments	Updated (UTC)
nodejs-org	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 6, 2024 1:37pm

[github-actions]

Lighthouse Results

URL	Performance	Accessibility	Best Practices	SEO	Report
/en	🟢 100	🟢 100	🟠 83	🟢 91	🔗
/en/about	🟢 100	🟢 100	🟠 83	🟢 91	🔗
/en/about/previous-releases	🟢 100	🟢 99	🟠 83	🟢 92	🔗
/en/download	🟢 100	🟢 100	🟠 83	🟢 91	🔗
/en/blog	🟢 100	🟢 100	🟠 83	🟢 92	🔗

[github-actions]

Unit Test Coverage Report

Lines	Statements	Branches	Functions
	85.89% (402/468)	77.16% (125/162)	77.52% (69/89)

Unit Test Report

Tests	Skipped	Failures	Errors	Time
72	0 💤	0 ❌	0 🔥	4.245s ⏱️