Do not include a minor version pin for pytz

Really any version of pytz should suffice, since we're only using it
for the UTC timezone information.

Author: jsf9k

setup.py

@@ -25,6 +25,6 @@
         "Fabric >= 1.8.3, < 2.0.0",
         "lockfile >= 0.9.1",
         "python-daemon == 2.3.0",
-        "pytz >= 2026.1.post1",
+        "pytz",
     ],
 )