chore: updated docs for v1 and v2 with correct arazzo rules syntax

[DmitryAnansky]

What/Why/How?

Some docs were still describing outdated arazzoRules instead of arazzo1Rules syntax.

Reference

Testing

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Check yourself

• Code changed? - Tested with Redoc/Realm/Reunite (internal)
• All new/updated code is covered by tests
• New package installed? - Tested in different environments (browser/node)
• Documentation update considered

Security

• The security impact of the change has been considered
• Code follows company security practices and guidelines

[changeset-bot]

⚠️ No Changeset found

Latest commit: bbc9c03

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[github-actions]

Command	Mean [s]	Min [s]	Max [s]	Relative
redocly lint resources/rebilly.yaml	1.327 ± 0.027	1.290	1.364	1.00
redocly-next lint resources/rebilly.yaml	1.335 ± 0.032	1.286	1.390	1.01 ± 0.03

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	78.58% (🎯 78%)	6185 / 7870
🔵	Statements	78.01% (🎯 78%)	6390 / 8191
🔵	Functions	81.97% (🎯 81%)	1264 / 1542
🔵	Branches	70.39% (🎯 70%)	4239 / 6022

File Coverage

No changed files found.

Generated in workflow #8229 for commit bbc9c03 by the Vitest Coverage Report Action