fix: Fix changelog generation for non-breaking chnages

[Pijukatel]

The previous change did not lead to the desired effect and included even non-breaking irrelevant changes in the changelog

[Pijukatel]

Full example of wrongly generated changelog currently on master:

1.4.1 - not yet released
🚀 Features

    Use specialized Playwright docker images in templates (https://github.com/apify/crawlee-python/pull/1757) ([747c0cf](https://github.com/apify/crawlee-python/commit/747c0cf4a82296a2e3ea5cac5ef4c9578ea62a0c)) by [@Pijukatel](https://github.com/Pijukatel), closes https://github.com/apify/crawlee-python/issues/1756

🐛 Bug Fixes

    Prevent list modification during iteration in BrowserPool (https://github.com/apify/crawlee-python/pull/1703) ([70309d9](https://github.com/apify/crawlee-python/commit/70309d9bf568d268a26b3ba6392be2b6ff284c65)) by [@vdusek](https://github.com/vdusek)
    Fix  max_requests_per_crawl excluding failed requests (https://github.com/apify/crawlee-python/pull/1766) ([d6bb0b4](https://github.com/apify/crawlee-python/commit/d6bb0b4a9dc5dd6668d076fbfa1b5e748deaee0d)) by [@Pijukatel](https://github.com/Pijukatel), closes https://github.com/apify/crawlee-python/issues/1765
    playwright: Dispose of APIResponse body for send_request (https://github.com/apify/crawlee-python/pull/1771) ([29d301b](https://github.com/apify/crawlee-python/commit/29d301bf9d7795f2fbaddb99235a7157b880f60c)) by [@kozlice](https://github.com/kozlice)
    Return None from add_request when storage client fails to enqueue request (https://github.com/apify/crawlee-python/pull/1775) ([944753a](https://github.com/apify/crawlee-python/commit/944753a71956c30f3ce0896ffa24be7de5348933)) by [@Mantisus](https://github.com/Mantisus)
    Re-use pre-existing browser context in PlaywrightBrowserController (https://github.com/apify/crawlee-python/pull/1778) ([4487543](https://github.com/apify/crawlee-python/commit/44875433df83d433aa69ada458b91df3ad569f5e)) by [@Pijukatel](https://github.com/Pijukatel), closes https://github.com/apify/crawlee-python/issues/1776

📚 Documentation

    Improve clipboard handling for Safari in LLMButtons component (https://github.com/apify/crawlee-python/pull/1755) ([c93ba2f](https://github.com/apify/crawlee-python/commit/c93ba2f2b55a980a37ca33f5de239f2c371cd7a0)) by [@birosrichard](https://github.com/birosrichard)
    Remove $1M challenge banner (https://github.com/apify/crawlee-python/pull/1769) ([f3ba45a](https://github.com/apify/crawlee-python/commit/f3ba45a9c7bdefcb5a08f6c1a68535f1ffe21086)) by [@Copilot](https://github.com/Copilot), closes https://github.com/apify/crawlee-python/issues/1768

🧪 Testing

    Relax timing assertion in test_abort_works to fix flaky test (https://github.com/apify/crawlee-python/pull/1754) ([7663404](https://github.com/apify/crawlee-python/commit/7663404dd9a309a7c3a680a6005250b2007b04ff)) by [@vdusek](https://github.com/vdusek)
    Fix flaky test_timeout_in_handler (https://github.com/apify/crawlee-python/pull/1764) ([7f7d45e](https://github.com/apify/crawlee-python/commit/7f7d45e1418787a8f15ecf4d422e650a34e924a7)) by [@vdusek](https://github.com/vdusek)