chore: fix typos

[tatomyr]

What/Why/How?

Added missing space in the PR title check, fixed a typo in changelog, and improved label name for consistency in the Changeset check.

Reference

Testing

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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

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

[changeset-bot]

⚠️ No Changeset found

Latest commit: c4a096a

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[github-actions]

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
redocly lint packages/core/src/benchmark/benches/rebilly.yaml	993.1 ± 35.3	955.5	1082.2	1.01 ± 0.04
redocly-next lint packages/core/src/benchmark/benches/rebilly.yaml	986.2 ± 12.0	975.6	1010.6	1.00

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	78.63%	5052/6425
🟡	Branches	67.23%	2058/3061
🟡	Functions	73.16%	834/1140
🟡	Lines	78.92%	4766/6039

Test suite run success

835 tests passing in 120 suites.

Report generated by 🧪jest coverage report action from c4a096a