Update date of release v1.3.1 (#298)

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## Types of changes
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- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
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- [ ] I have updated the [changelog](../CHANGELOG.md) accordingly.
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CHANGELOG.md

@@ -6,7 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## [1.3.1] - 2023-11-28
+## [1.3.1] - 2023-12-04
 
 ### Fixed