Add Django 5.2a1 to test matrix (#49)

noxfile.py

@@ -20,9 +20,10 @@
 DJ42 = "4.2"
 DJ50 = "5.0"
 DJ51 = "5.1"
+DJ52 = "5.2a1"
 DJMAIN = "main"
 DJMAIN_MIN_PY = PY310
-DJ_VERSIONS = [DJ42, DJ50, DJ51, DJMAIN]
+DJ_VERSIONS = [DJ42, DJ50, DJ51, DJ52, DJMAIN]
 DJ_LTS = [
     version for version in DJ_VERSIONS if version.endswith(".2") and version != DJMAIN
 ]
@@ -42,6 +43,10 @@ def should_skip(python: str, django: str) -> bool:
         # Django main requires Python 3.10+
         return True
 
+    if django == DJ52 and version(python) < version(PY310):
+        # Django 5.2a1 requires Python 3.10+
+        return True
+
     if django == DJ51 and version(python) < version(PY310):
         # Django 5.1 requires Python 3.10+
         return True