fix: Correct typo in installation section of README (#1662)

Fixed a typo in the installation instructions.

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README.md

@@ -97,7 +97,7 @@ Hosted platform:
 
 ### 📦 Installation
 
-You can install Cognee using either **pip**, **poetry**, **uv** or any other python package manager.
+You can install Cognee using either **pip**, **poetry**, **uv** or any other python package manager..
 
 Cognee supports Python 3.10 to 3.12