update emoji

Author: dnth

README.md

@@ -756,7 +756,7 @@ Get help from the fastdup team or community members via the following channels -
     <td><img src="gallery/community_data_integration_thumbnail.jpg" width="200"></td>
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       <a href="https://towardsdatascience.com/master-data-integrity-to-clean-your-computer-vision-datasets-df432cf9e596">Master Data Integrity to Clean Your Computer Vision Datasets.</a><br>
-      🖋️ <a href="https://pauliusztin.medium.com/">Paul Iusztin</a> &nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp; 📅 19 December 2022
+      🖋️ <a href="https://pauliusztin.medium.com/">Paul Iusztin</a> &nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp; 🗓 19 December 2022
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