Do not use lightning 2.1.3

Lightning 2.1.3 changes how checkpoints are saved, which breaks
how we handle saving and loading. This should be reverted in the
next release of lightning.

conda/meta.yaml

@@ -38,6 +38,7 @@ requirements:
     - tqdm {{ tqdm }}
     - tensorboard {{ tensorboard }}
     - lightning {{ lightning }}
+    - lightning >=2.1.0,!=2.1.3
     - clapper
   run:
     - python >=3.10
@@ -55,6 +56,7 @@ requirements:
     - {{ pin_compatible('tqdm') }}
     - {{ pin_compatible('tensorboard') }}
     - {{ pin_compatible('lightning', max_pin='x.x') }}
+    - lightning >=2.1.0,!=2.1.3
     - clapper
 
 test: