Reinstate Python 3.10 support, it's the server version

Author: hugovk

template.py

@@ -156,7 +156,7 @@ def main() -> None:
         # Read it
         src = Template(infile.read())
 
-        now = dt.datetime.now(dt.UTC).replace(tzinfo=None)
+        now = dt.datetime.utcnow()
         for version in args.version:
             # Document data
             print(version)

utils.py

@@ -218,7 +218,7 @@ def remove_irrelevant_packages(packages, limit):
 
 
 def save_to_file(packages, file_name):
-    now = dt.datetime.now(ZoneInfo("UTC"))
+    now = dt.datetime.utcnow().replace(tzinfo=ZoneInfo("UTC"))
     with open(file_name, "w") as f:
         f.write(
             json.dumps(