chore(deps): update dependency pymongo to v4.15.5 (#157)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

requirements.txt

@@ -18,7 +18,7 @@ pycryptodome==3.23.0
 pydantic==2.12.4
 pydantic_core==2.41.5
 PyJWT==2.10.1
-pymongo==4.15.4
+pymongo==4.15.5
 python-dotenv==1.2.1
 python-jose==3.5.0
 python-multipart==0.0.20