Fix WSL Crash

[waahm7]

Issue #, if available:
aws/aws-cli#8320

Description of changes:

• On WSL, it is possible that Numa is present but g_numa_num_configured_nodes_ptr returns 0 which breaks assumption of our system that cpu_group_count will be at least 1 and crashes at https://github.com/awslabs/aws-c-s3/blob/main/source/s3_platform_info.c#L317. aws_get_cpu_count_for_group can also return 0 but we do throw proper error if it is 0.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (00157ef) 83.42% compared to head (5890c1a) 83.40%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1076      +/-   ##
==========================================
- Coverage   83.42%   83.40%   -0.02%     
==========================================
  Files          56       56              
  Lines        5792     5792              
==========================================
- Hits         4832     4831       -1     
- Misses        960      961       +1     

Files	Coverage Δ
source/posix/system_info.c	26.75% <100.00%> (ø)

... and 1 file with indirect coverage changes

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