Docs: `response contains property` guide

[bandantonio]

What/Why/How?

This PR adds an updated guide on how to use a new built-in response-contains-property rule based on common examples

Deprecates #602

Reference

https://redocly.com/docs/cli/guides/response-contains-property/

Testing

Screenshots (optional)

Check yourself

• [ ] Code is linted
• [ ] Tested with redoc/reference-docs/workflows
• [ ] All new/updated code is covered with tests

Security

• [ ] Security impact of change has been considered
• [ ] Code follows company security practices and guidelines

[github-actions[bot]]

Coverage report

Total coverage

Status	Category	Percentage	Covered / Total
🟡	Statements	67.62%	2813/4160
🟡	Branches	60.7%	1546/2547
🔴	Functions	58.97%	447/758
🟡	Lines	67.88%	2610/3845

Status of coverage: 🟢 - ok, 🟡 - slightly more than threshold, 🔴 - under the threshold

Report generated by 🧪jest coverage report action from 67f207d083f4d725cc28c50bfe10e03ef972140f

[github-actions[bot]]

Coverage report

St.:grey_question:	Category	Percentage	Covered / Total
🟡	Statements	68.92%	2925/4244
🟡	Branches	62.15%	1614/2597
🟡	Functions	60.56%	473/781
🟡	Lines	68.76%	2712/3944

Test suite run success

473 tests passing in 81 suites.

Report generated by 🧪jest coverage report action from 5a3f2ef20fcda52634ac5e2682780907de6868ac

[adamaltman]

Thanks @bandantonio 🎉 🎉