[skip ci] generate RN from PR titles instead of "public:" comments

[Moran-k]

Generate a GitHub pre-release with the content of PR titles + links instead of "public:" comments inside the PR.

Example of generated pre-release message:

---

Helm Chart Updates

Chart versions: komodor-agent/2.1.0 -> komodor-agent/2.1.0+RC10 Agent versions 0.2.64 -> 0.2.67

Helm Chart Updates

• CU-8679727dy - feat: Enable network-mapper by default
• Komodor agent fix proxy
• CU-867981mn2 - Bugfixes from POC inputs
• CU-867986mhv - Remove limits from metrics daemon
• CU-867985xym - Generate GitHub release from GH issue messages
• CU-86798y3bd - set resources for metrics container
• Add node-enricher to komodor-agent chart
• CU-866b30503 - add api-key to node enricher container

Agent Updates

• CU-867957ukq - Bump 3rd party versions
• [skip ci] - CU-86798v65b - Fix agent CI
• Prevent two agents with same cluster name under same account
• Create node-enricher service

[komodor-bot]

Task linked: CU-8679727dy feat: Enable network-mapper by default

[komodor-bot]

Task linked: CU-867986mhv Remove limits from metrics daemon

[komodor-bot]

Task linked: CU-867985xym Generate GitHub release from GH issue messages

[komodor-bot]

Task linked: CU-867981mn2 Bugfixes from POC inputs

[komodor-bot]

Task linked: CU-860t38hfr create release notes for helm charts by pr name instead of public: tag

[komodor-bot]

Task linked: CU-86798y3bd set resources for metrics container

[komodor-bot]

Task linked: CU-866b30503 add api-key to node enricher container

[komodor-bot]

Task linked: CU-86798v65b [skip ci] Fix agent CI

[komodor-bot]

Task linked: CU-867957ukq Bump 3rd party versions