change(coap): exclude CVE-2024-46304

[fhrbata]

This was fixed by 4851806c09a9 ("scan-build: CI Fail if scan-build warnings") in v4.3.5-rc3.

Checklist

• [ ] Component contains License
• [ ] Component contains README.md
• [ ] Component contains idf_component.yml file with url field defined
• [ ] Component was added to upload job
• [ ] Component was added to build job
• [ ] Optional: Component contains unit tests
• [ ] CI passing

Change description

Please describe your change here

[github-actions[bot]]

Test Results

0 tests   0 :white_check_mark:  7s :stopwatch: 5 suites  0 :zzz: 5 files    0 :x:

Results for commit 1cf4907e.