Update the changelog

Author: HaystackBot

integrations/astra/CHANGELOG.md

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+# Changelog
+
+## [unreleased]
+
+### 🚀 Features
+
+- Defer the database connection to when it's needed (#769)
+
+### 🐛 Bug Fixes
+
+- Fix astra nightly
+
+
+## [integrations/astra-v0.7.0] - 2024-05-15
+
+### 🐛 Bug Fixes
+
+- Make unit tests pass (#720)
+
+## [integrations/astra-v0.6.0] - 2024-04-24
+
+### 🐛 Bug Fixes
+
+- Pass namespace in the docstore init (#683)
+
+## [integrations/astra-v0.5.1] - 2024-04-09
+
+### 🐛 Bug Fixes
+
+- Fix haystack-ai pin (#649)
+
+
+
+## [integrations/astra-v0.5.0] - 2024-03-18
+
+### 📚 Documentation
+
+- Review `integrations.astra` (#498)
+- Small consistency improvements (#536)
+- Disable-class-def (#556)
+
+## [integrations/astra-v0.4.2] - 2024-02-21
+
+### FIX
+
+- Proper name for the sort param (#454)
+
+## [integrations/astra-v0.4.1] - 2024-02-20
+
+### 🐛 Bug Fixes
+
+- Fix order of API docs (#447)
+
+This PR will also push the docs to Readme
+- Fix integration tests (#450)
+
+
+
+## [integrations/astra-v0.4.0] - 2024-02-20
+
+### 📚 Documentation
+
+- Update category slug (#442)
+
+## [integrations/astra-v0.3.0] - 2024-02-15
+
+## [integrations/astra-v0.2.0] - 2024-02-13
+
+### Astra
+
+- Generate api docs (#327)
+
+### Refact
+
+- [**breaking**] Change import paths (#277)
+
+## [integrations/astra-v0.1.1] - 2024-01-18
+
+## [integrations/astra-v0.1.0] - 2024-01-11
+
+<!-- generated by git-cliff -->