chore: update test settings and fix typo

[tatomyr]

What/Why/How?

Updated tests settings.
Fixed a typo in docs.

Security

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

[changeset-bot]

⚠️ No Changeset found

Latest commit: 630587c

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[github-actions]

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
redocly lint packages/core/src/benchmark/benches/rebilly.yaml	960.7 ± 19.3	935.4	992.9	1.00
redocly-next lint packages/core/src/benchmark/benches/rebilly.yaml	962.7 ± 21.9	935.8	1011.3	1.00 ± 0.03

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	79.29%	6982/8806
🟡	Branches	68.2%	2891/4239
🟡	Functions	75.03%	1145/1526
🟡	Lines	79.66%	6656/8355

Test suite run success

1326 tests passing in 190 suites.

Report generated by 🧪jest coverage report action from 630587c