Fix handling deformation tasks in materials builder

[munrojm]

If a deformed task is found that does not have any transmuter data, MaterialsBuilder now excludes the task from the build process and continues instead of throwing an error.

[codecov-commenter]

Codecov Report

Merging #453 (2f7ffae) into main (e319a85) will decrease coverage by 0.00%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##             main     #453      +/-   ##
==========================================
- Coverage   97.67%   97.67%   -0.01%     
==========================================
  Files         114      114              
  Lines       23835    23838       +3     
==========================================
+ Hits        23282    23283       +1     
- Misses        553      555       +2     

Impacted Files	Coverage Δ
emmet-builders/emmet/builders/vasp/materials.py	95.38% <33.33%> (-0.74%)	⬇️
emmet-core/emmet/core/vasp/validation.py	70.31% <66.66%> (-0.33%)	⬇️

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