[skip ci] Add release notes for version 0.24.0

.chglog/0.24.0.md

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+## ⭐ Enhancements
+
+- Add tests for  configuration provider and improve packages [#432](https://github.com/focus-shift/jollyday/pull/432)
+- Add tests for Cache and HolidayManagerValueHandler [#431](https://github.com/focus-shift/jollyday/pull/431)
+
+## 🐞 Bugs
+
+- Improve dutch holiday naming [#433](https://github.com/focus-shift/jollyday/pull/433)
+- Static Jackson mapper creator [#435](https://github.com/focus-shift/jollyday/pull/435)
+
+## 🔨 Dependency upgrades
+
+- Bump com.fasterxml.jackson.dataformat:jackson-dataformat-xml from 2.16.0 to 2.16.1 [#427](https://github.com/focus-shift/jollyday/pull/427)
+- Bump mockito.version from 5.8.0 to 5.9.0 [#428](https://github.com/focus-shift/jollyday/pull/428)
+- Bump org.apache.maven.plugins:maven-surefire-plugin from 3.2.3 to 3.2.5 [#429](https://github.com/focus-shift/jollyday/pull/429)
+
+## ❤️ Contributors
+
+We'd like to thank all the contributors who worked on this release!
+
+- [@derTobsch](https://github.com/derTobsch)
+- [@janjongerden](https://github.com/janjongerden)