Handle negative stats and ignore them

[RDruon]

See new fixture and look for negative value

write                     186442470 samples [usecs] 36 149845092510 -823495890607571055 4426400394686790401

We handle this by ignoring them

[notion-workspace]

Lustre can return invalid/negative statistics

[codecov]

Codecov Report

Attention: Patch coverage is 96.22642% with 2 lines in your changes missing coverage. Please review.

Project coverage is 91.80%. Comparing base (fe11f85) to head (a721d39).

Files with missing lines	Patch %	Lines
lustre-collector/src/base_parsers.rs	88.88%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #88      +/-   ##
==========================================
+ Coverage   91.77%   91.80%   +0.03%     
==========================================
  Files          41       41              
  Lines        5225     5262      +37     
  Branches     5225     5262      +37     
==========================================
+ Hits         4795     4831      +36     
- Misses        394      395       +1     
  Partials       36       36              

Flag	Coverage Δ
2_14_0_ddn133	35.26% <47.16%> (-0.01%)	⬇️
2_14_0_ddn145	36.01% <47.16%> (-0.01%)	⬇️
all-tests	91.80% <96.22%> (+0.03%)	⬆️

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[github-actions]

Benchmark for b108022

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Test	Base	PR	%
jobstats 100	3.8±0.57ms	3.7±0.53ms	-2.63%
jobstats 1000	36.1±4.59ms	37.1±5.39ms	+2.77%

[github-actions]

Benchmark for 2c81333

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Test	Base	PR	%
jobstats 100	4.1±0.70ms	4.2±0.73ms	+2.44%
jobstats 1000	39.3±6.55ms	39.1±5.83ms	-0.51%

[github-actions]

Benchmark for 3169aa1

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Test	Base	PR	%
jobstats 100	3.9±0.51ms	3.7±0.51ms	-5.13%
jobstats 1000	38.0±4.75ms	38.8±5.25ms	+2.11%

[github-actions]

Benchmark for 1f56308

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Test	Base	PR	%
jobstats 100	3.9±0.62ms	3.8±0.60ms	-2.56%
jobstats 1000	37.7±5.32ms	36.1±4.31ms	-4.24%

[github-actions]

Benchmark for 4362328

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Test	Base	PR	%
jobstats 100	4.0±0.65ms	3.7±0.56ms	-7.50%
jobstats 1000	39.1±5.05ms	36.2±3.94ms	-7.42%