fix typo in pandas version

Author: gibsramen

qadabra/workflow/envs/qadabra-default.yaml

@@ -2,7 +2,7 @@ channels:
     - conda-forge
     - bioconda
 dependencies:
-    - pandas==2.20
+    - pandas==2.2.0
     - numpy==1.26.3
     - matplotlib==3.8.2
     - seaborn==0.13.1