Fix compatibility with lightning master

[ethanwharris]

What does this PR do?

NOTE: This changes the exceptions we are raising so could technically be considered a breaking change.

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[codecov]

Codecov Report

Base: 92.34% // Head: 92.35% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (7c9c53a) compared to base (1d3cb6e).
Patch coverage: 24.24% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1470   +/-   ##
=======================================
  Coverage   92.34%   92.35%           
=======================================
  Files         291      291           
  Lines       13176    13152   -24     
=======================================
- Hits        12168    12147   -21     
+ Misses       1008     1005    -3     

Flag	Coverage Δ
pytest	13.02% <0.00%> (-0.05%)	⬇️
tpu	13.02% <0.00%> (-0.05%)	⬇️
unittests	92.89% <25.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
flash/core/data/data_module.py	95.25% <0.00%> (-0.03%)	⬇️
flash/core/integrations/labelstudio/input.py	88.62% <0.00%> (-0.06%)	⬇️
flash/core/utilities/lightning_cli.py	97.70% <0.00%> (-0.02%)	⬇️
...ash/image/classification/integrations/baal/data.py	85.45% <0.00%> (-0.14%)	⬇️
.../image/classification/integrations/baal/dropout.py	92.00% <0.00%> (-0.31%)	⬇️
...ash/image/classification/integrations/baal/loop.py	93.38% <0.00%> (-0.05%)	⬇️
flash/image/classification/model.py	80.70% <0.00%> (-0.34%)	⬇️
flash/pointcloud/detection/open3d_ml/input.py	88.09% <0.00%> (-0.10%)	⬇️
...tcloud/segmentation/open3d_ml/sequences_dataset.py	84.21% <0.00%> (-0.14%)	⬇️
flash/tabular/input.py	96.87% <0.00%> (-0.05%)	⬇️
... and 16 more

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