Add tenacity to requirements.txt

An additional python package, tenacity, has been added to the requirements.txt file. This is to manage the execution retry policy in some code, helping to ensure the robustness and reliability of the application.

Author: dusvyat

requirements.txt

@@ -2,4 +2,5 @@ requests
 pandas >= 1.3.5
 mindsdb-sql >= 0.13.0, < 0.14.0
 docstring-parser >= 0.7.3
+tenacity >= 8.0.1
 openai >= 1.15.0