bump min Python version for main Django and add 5.2a1 (#138)

noxfile.py

@@ -19,9 +19,10 @@
 DJ42 = "4.2"
 DJ50 = "5.0"
 DJ51 = "5.1"
+DJ52 = "5.2a1"
 DJMAIN = "main"
-DJMAIN_MIN_PY = PY310
-DJ_VERSIONS = [DJ42, DJ50, DJ51, DJMAIN]
+DJMAIN_MIN_PY = PY312
+DJ_VERSIONS = [DJ42, DJ50, DJ51, DJ52, DJMAIN]
 DJ_LTS = [DJ42]
 DJ_DEFAULT = DJ_LTS[0]
 DJ_LATEST = DJ_VERSIONS[-2]
@@ -36,7 +37,15 @@ def should_skip(python: str, django: str) -> bool:
     """Return True if the test should be skipped"""
 
     if django == DJMAIN and version(python) < version(DJMAIN_MIN_PY):
-        # Django main requires Python 3.10+
+        # Django main requires Python 3.12+
+        return True
+
+    if django == DJ52 and version(python) < version(PY310):
+        # Django 5.2 requires Python 3.10+
+        return True
+
+    if django == DJ51 and version(python) < version(PY310):
+        # Django 5.1 requires Python 3.10+
         return True
 
     if django == DJ50 and version(python) < version(PY310):