Update changelog for 0.8.0 release (#75)

Author: IAlibay

ChangeLog

@@ -14,14 +14,15 @@ The rules for this file:
   * Note: rules were not applied before v0.6.0
 
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-??/??/???? ezavod
+12/23/2023 ezavod, IAlibay
 
   * 0.8.0
 
   Changes
 
   * Added support for legacy file version 1 (PR #22)
   * Extended test coverage and code cleanup (PR #22)
+  * Add support for Python 3.12 (PR #71 and #74)
 
 09/04/2023 IAlibay