docs: Update CHANGELOG.md

Author: skupriienko

CHANGELOG.md

@@ -4,6 +4,35 @@ We [keep a changelog.](http://keepachangelog.com/)
 
 ## [Unreleased]
 
+## [1.5.0] - 2025-07-XX
+
+### Added
+
+- Add class `TestCsvImpor` with a test suite for testing CSV import functionality to `test.py`.
+- Add `types-requests` to `mypy`'s `additional_dependencies` in `pre-commit` hooks
+- Add `pydocstyle` pre-commit's hook
+- style: Import Callable from collections.abc
+
+### Fixed
+
+- Fix a csvimport error 'List index (0) out of bounds': renamed `json_data` back to `data`. Corrected behavior broken since v1.4.0.
+
+### Changed
+
+- Update pre-commit hooks to the latest versions
+- Breaking changes: drop support for Python 3.9
+
+### Security
+
+- docs: Add the Security Policy file `SECURITY.md`
+- ci: Use `permissions: contents: read` in all CI workflow files explicitly
+- ci: Use commit hashes to ensure reproducible builds
+- build: Update dependency pinning: `requests >=2.32.4`
+
+### Pull Requests Merged
+
+- [PR_120](https://github.com/mailjet/mailjet-apiv3-python/pull/120) - Fix a csvimport error 'List index (0) out of bounds'
+
 ## [1.4.0] - 2025-05-07
 
 ### Added
@@ -141,4 +170,5 @@ We [keep a changelog.](http://keepachangelog.com/)
 \* *This Changelog was automatically generated by [github_changelog_generator](https://github.com/github-changelog-generator/github-changelog-generator)*
 
 [1.4.0]: https://github.com/mailjet/mailjet-apiv3-python/releases/tag/v1.4.0
-[unreleased]: https://github.com/mailjet/mailjet-apiv3-python/releases/tag/v1.4.0...HEAD
+[1.5.0]: https://github.com/mailjet/mailjet-apiv3-python/releases/tag/v1.5.0
+[unreleased]: https://github.com/mailjet/mailjet-apiv3-python/releases/tag/v1.5.0...HEAD