Data.validate() and HeteroData.validate()

[rusty1s]

No description provided.

[codecov]

Codecov Report

Merging #4885 (8c07f6e) into master (7f55f41) will decrease coverage by 1.85%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4885      +/-   ##
==========================================
- Coverage   84.52%   82.67%   -1.86%     
==========================================
  Files         329      329              
  Lines       17827    17823       -4     
==========================================
- Hits        15069    14735     -334     
- Misses       2758     3088     +330     

Impacted Files	Coverage Δ
torch_geometric/data/data.py	91.56% <ø> (ø)
torch_geometric/data/hetero_data.py	94.21% <ø> (-0.02%)	⬇️
torch_geometric/nn/models/dimenet_utils.py	0.00% <0.00%> (-75.52%)	⬇️
torch_geometric/nn/models/dimenet.py	14.51% <0.00%> (-53.00%)	⬇️
torch_geometric/nn/conv/utils/typing.py	81.25% <0.00%> (-17.50%)	⬇️
torch_geometric/nn/inits.py	67.85% <0.00%> (-7.15%)	⬇️
torch_geometric/nn/resolver.py	86.04% <0.00%> (-6.98%)	⬇️
torch_geometric/io/tu.py	93.90% <0.00%> (-2.44%)	⬇️
torch_geometric/nn/models/mlp.py	98.52% <0.00%> (-1.48%)	⬇️
torch_geometric/transforms/gdc.py	78.17% <0.00%> (-1.02%)	⬇️
... and 4 more

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[mananshah99]

LGTM, thanks!