chore: upgrade Redoc to v2.1.5

[tatomyr]

What/Why/How?

Upgrading Redoc to v2.1.5

Reference

Testing

Screenshots (optional)

Check yourself

• [ ] Code changed? - Tested with redoc/reference-docs/workflows (internal)
• [ ] All new/updated code is covered with tests
• [ ] New package installed? - Tested in different environments (browser/node)

Security

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

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 537e43bb3a263d98bbae4352eb185bc2406c3a3d

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

| Name | Type | | --------------------- | ----- | | @redocly/cli | Patch | | @redocly/openapi-core | Patch |

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[github-actions[bot]]

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
redocly lint packages/core/src/benchmark/benches/rebilly.yaml	981.7 ± 24.1	936.7	1011.2	1.00
redocly-next lint packages/core/src/benchmark/benches/rebilly.yaml	988.1 ± 15.1	965.6	1004.7	1.01 ± 0.03

[github-actions[bot]]

Coverage report

St.:grey_question:	Category	Percentage	Covered / Total
🟡	Statements	77.12%	4475/5803
🟡	Branches	67.45%	2472/3665
🟡	Functions	70.53%	742/1052
🟡	Lines	77.3%	4209/5445

Test suite run success

738 tests passing in 102 suites.

Report generated by 🧪jest coverage report action from 537e43bb3a263d98bbae4352eb185bc2406c3a3d