Update change log for 2.0.0 release.

CHANGELOG.md

@@ -6,6 +6,9 @@ All notable changes to this project will be documented in this file.
 ### Added
 
 ### Changed
+
+## [2.0.0] = 2024-10-23
+Changed:
 - Removed Python 3.6 support
 - Updated dependencies and library for Python 3.9 to 3.11 support
 - Moved CI and testing to GitHub Actions
@@ -20,11 +23,11 @@ Changed:
 - Updated data_set_features to use correct sweep feature extractor detection parameters based on StimulusType
 
 ## [1.0.6] = 2022-6-29
-Changed: 
+Changed:
 - Stop IPFX from caching its NWB Schemas when writing/modifying NWB files
 
 ## [1.0.5] = 2021-12-13
-Bug fixes: 
+Bug fixes:
 - Converts nwb_version attribute to string if it is in utf-8 encoded bytes.
 
 ## [1.0.4] = 2021-07-29