Fix #59, Exclude LGTM False Positives

[ArielSAdamsNASA]

Checklist (Please check before submitting)

• I reviewed the Contributing Guide.
• I signed and emailed the appropriate Contributor License agreement to GSFC-SoftwareRelease@mail.nasa.gov and copied cfs-program@lists.nasa.gov.

Describe the contribution
Fixes #59
Excludes cpp/string-copy-return-value-as-boolean

Testing performed
None

Expected behavior changes
No longer run against string-copy-return-value-as-boolean

Contributor Info - All information REQUIRED for consideration of pull request
Ariel Adams, ASRC Federal

[astrogeco]

Do we want to exclude this for the whole analysis or just for sample_app? Also, is there a good way to maintain the github actions configuration aligned with the lgtm one?

[ArielSAdamsNASA]

Also, is there a good way to maintain the github actions configuration aligned with the lgtm one?

github/codeql#6314

Thoughts?

[astrogeco]

CCB:2021-07-21 HOLD

Consider, pending and fixing directly in sample_app and sample_lib
https://lgtm.com/projects/g/nasa/cFS/alerts/?mode=tree&severity=error&ruleFocus=1507228686331

[ArielSAdamsNASA]

Closed: No longer using LGTM