docs(changelog): Add release 2.0.0 date

Author: julienloizelet

CHANGELOG.md

@@ -9,6 +9,6 @@ The [public API](https://semver.org/spec/v2.0.0.html#spec-item-1)  for this proj
 
 ---
 
-## [2.0.0](https://github.com/crowdsecurity/cs-misp-module/releases/tag/v2.0.0) - 2024-??-??
+## [2.0.0](https://github.com/crowdsecurity/cs-misp-module/releases/tag/v2.0.0) - 2024-08-02
 
 - Initial release: synchronization with MISP modules `v2.4.195` release