chore(deps): update python_version markers to != '3.9' and == '3.9'

Author: lahirumaramba

requirements.txt

@@ -9,8 +9,8 @@ respx == 0.23.1
 
 cachecontrol >= 0.14.3
 google-api-core[grpc] >= 2.25.1, < 3.0.0dev; platform.python_implementation != 'PyPy'
-google-cloud-firestore >= 2.28.0; platform.python_implementation != 'PyPy' and python_version >= '3.10'
-google-cloud-firestore >= 2.27.0; platform.python_implementation != 'PyPy' and python_version < '3.10'
+google-cloud-firestore >= 2.28.0; platform.python_implementation != 'PyPy' and python_version != '3.9'
+google-cloud-firestore >= 2.27.0; platform.python_implementation != 'PyPy' and python_version == '3.9'
 google-cloud-storage >= 3.1.1
 pyjwt[crypto] >= 2.12.1
 cryptography < 44.0.0; platform.python_implementation == 'PyPy' and python_version < '3.11'