Fix dates in changelog for 1.2.0 release

CHANGELOG.md

@@ -1,6 +1,6 @@
 ## 1.2
 
-### 1.2.0 - 2023-08-04
+### 1.2.0 - 2023-08-07
 
 ([full changelog](https://github.com/jupyterhub/nbgitpuller/compare/1.1.1...1.2.0))
 
@@ -36,9 +36,9 @@
 The following people contributed discussions, new ideas, code and documentation contributions, and review.
 See [our definition of contributors](https://github-activity.readthedocs.io/en/latest/#how-does-this-tool-define-contributions-in-the-reports).
 
-([GitHub contributors page for this release](https://github.com/jupyterhub/nbgitpuller/graphs/contributors?from=2022-11-08&to=2023-08-04&type=c))
+([GitHub contributors page for this release](https://github.com/jupyterhub/nbgitpuller/graphs/contributors?from=2022-11-08&to=2023-08-07&type=c))
 
-@a3626a ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Aa3626a+updated%3A2022-11-08..2023-08-04&type=Issues)) | @akhmerov ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Aakhmerov+updated%3A2022-11-08..2023-08-04&type=Issues)) | @albertmichaelj ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Aalbertmichaelj+updated%3A2022-11-08..2023-08-04&type=Issues)) | @balajialg ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Abalajialg+updated%3A2022-11-08..2023-08-04&type=Issues)) | @consideRatio ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3AconsideRatio+updated%3A2022-11-08..2023-08-04&type=Issues)) | @frankier ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Afrankier+updated%3A2022-11-08..2023-08-04&type=Issues)) | @jdmansour ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Ajdmansour+updated%3A2022-11-08..2023-08-04&type=Issues)) | @jtpio ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Ajtpio+updated%3A2022-11-08..2023-08-04&type=Issues)) | @manics ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Amanics+updated%3A2022-11-08..2023-08-04&type=Issues)) | @minrk ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Aminrk+updated%3A2022-11-08..2023-08-04&type=Issues)) | @Snozzberries ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3ASnozzberries+updated%3A2022-11-08..2023-08-04&type=Issues)) | @yuvipanda ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Ayuvipanda+updated%3A2022-11-08..2023-08-04&type=Issues))
+@a3626a ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Aa3626a+updated%3A2022-11-08..2023-08-07&type=Issues)) | @akhmerov ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Aakhmerov+updated%3A2022-11-08..2023-08-07&type=Issues)) | @albertmichaelj ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Aalbertmichaelj+updated%3A2022-11-08..2023-08-07&type=Issues)) | @balajialg ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Abalajialg+updated%3A2022-11-08..2023-08-07&type=Issues)) | @consideRatio ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3AconsideRatio+updated%3A2022-11-08..2023-08-07&type=Issues)) | @frankier ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Afrankier+updated%3A2022-11-08..2023-08-07&type=Issues)) | @jdmansour ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Ajdmansour+updated%3A2022-11-08..2023-08-07&type=Issues)) | @jtpio ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Ajtpio+updated%3A2022-11-08..2023-08-07&type=Issues)) | @manics ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Amanics+updated%3A2022-11-08..2023-08-07&type=Issues)) | @minrk ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Aminrk+updated%3A2022-11-08..2023-08-07&type=Issues)) | @Snozzberries ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3ASnozzberries+updated%3A2022-11-08..2023-08-07&type=Issues)) | @yuvipanda ([activity](https://github.com/search?q=repo%3Ajupyterhub%2Fnbgitpuller+involves%3Ayuvipanda+updated%3A2022-11-08..2023-08-07&type=Issues))
 
 ## 1.1