migrations: Add missing elidable tags on RunPython/RunSQL steps.

This helps the squashmigrations tool know that it can squash these.

zilencer/migrations/0032_remotepushdevicetoken_backfill_ios_app_id.py

@@ -32,5 +32,6 @@ class Migration(migrations.Migration):
             # The updated table is still valid with the old schema;
             # so to reverse, a no-op suffices.
             reverse_sql=[],
+            elidable=True,
         ),
     ]

zilencer/migrations/0037_alter_remoteinstallationcount_unique_together_and_more.py

@@ -49,7 +49,9 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.RunPython(clear_duplicate_counts, reverse_code=migrations.RunPython.noop),
+        migrations.RunPython(
+            clear_duplicate_counts, reverse_code=migrations.RunPython.noop, elidable=True
+        ),
         migrations.AddConstraint(
             model_name="remoteinstallationcount",
             constraint=models.UniqueConstraint(

zilencer/migrations/0052_alter_remoterealm_plan_type_and_more.py

@@ -35,5 +35,7 @@ class Migration(migrations.Migration):
             name="plan_type",
             field=models.PositiveSmallIntegerField(default=PLAN_TYPE_SELF_MANAGED),
         ),
-        migrations.RunPython(renumber_plan_types, reverse_code=migrations.RunPython.noop),
+        migrations.RunPython(
+            renumber_plan_types, reverse_code=migrations.RunPython.noop, elidable=True
+        ),
     ]