chore: fix Slack release message

[tatomyr]

What/Why/How?

Makes release message in Slack useful:

:bookmark: New @redocly/cli release 1.1.0

*Minor Changes*

•   Testing.

*Patch Changes*

•   Testing...

:bookmark: New @redocly/openapi-core release 1.1.0

*Patch Changes*

•   Testing...

Also, it attempts to fix failure on the performance check due to lack of permissions (when running from a fork) - added a check if the repository that triggered the event is the same as the base one.

Reference

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

[changeset-bot]

⚠️ No Changeset found

Latest commit: 83904ce

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 [s]	Min [s]	Max [s]	Relative
redocly lint packages/core/src/benchmark/benches/rebilly.yaml	1.259 ± 0.011	1.247	1.274	1.00
redocly-next lint packages/core/src/benchmark/benches/rebilly.yaml	1.273 ± 0.043	1.228	1.346	1.01 ± 0.03

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	75.42%	3783/5016
🟡	Branches	66.33%	2098/3163
🟡	Functions	68.53%	636/928
🟡	Lines	75.57%	3533/4675

Test suite run success

622 tests passing in 91 suites.

Report generated by 🧪jest coverage report action from 83904ce