Validated SPEC fields uppon PR and commit

[filipecosta90]

This PR ensures all benchmark fields include some minimum fields like command name, group, etc...

[codecov-commenter]

Codecov Report

Base: 59.66% // Head: 59.35% // Decreases project coverage by -0.30% ⚠️

Coverage data is based on head (9d7ea80) compared to base (512da9a).
Patch coverage: 8.33% of modified lines in pull request are covered.

❗ Current head 9d7ea80 differs from pull request most recent head 3604079. Consider uploading reports for the commit 3604079 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #173      +/-   ##
==========================================
- Coverage   59.66%   59.35%   -0.31%     
==========================================
  Files          24       24              
  Lines        1800     1811      +11     
==========================================
+ Hits         1074     1075       +1     
- Misses        726      736      +10     

Impacted Files	Coverage Δ
redis_benchmarks_specification/__cli__/stats.py	5.03% <0.00%> (-0.34%)	⬇️
redis_benchmarks_specification/__cli__/args.py	100.00% <100.00%> (ø)

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