feat: operational requirements of risks

[markXLIX]

Closes #674

• Identify a risk that is a false positive by first finding the observation with type='operational-requirement'. Match the uuid to a finding/related-observation/@observation-uuid.
• A relevant-evidence/@href value (that starts with an '#') of the above observation must match a resource/@uuid in the back-matter

[github-actions[bot]]

XSpec Test Results

    5 files  ±0    27 suites  ±0   0s :stopwatch: ±0s 789 tests +4  742 :heavy_check_mark: +4  47 :zzz: ±0  0 :x: ±0  810 runs  +4  761 :heavy_check_mark: +4  49 :zzz: ±0  0 :x: ±0 

Results for commit 903427b1. ± Comparison against base commit c47daa38.

[github-actions[bot]]

XSpec Test Results

    5 files  ±0    27 suites  ±0   0s :stopwatch: ±0s 797 tests +4  750 :heavy_check_mark: +4  47 :zzz: ±0  0 :x: ±0  818 runs  +4  769 :heavy_check_mark: +4  49 :zzz: ±0  0 :x: ±0 

Results for commit a5ff30a8. ± Comparison against base commit e2346dbe.

[github-actions[bot]]

XSpec Test Results

    5 files  ±0    27 suites  ±0   0s :stopwatch: ±0s 797 tests +4  750 :heavy_check_mark: +4  47 :zzz: ±0  0 :x: ±0  818 runs  +4  769 :heavy_check_mark: +4  49 :zzz: ±0  0 :x: ±0 

Results for commit a5ff30a8. ± Comparison against base commit e2346dbe.

[github-actions[bot]]

XSpec Test Results

    5 files  ±0    27 suites  ±0   0s :stopwatch: ±0s 797 tests ±0  750 :heavy_check_mark: ±0  47 :zzz: ±0  0 :x: ±0  818 runs  ±0  769 :heavy_check_mark: ±0  49 :zzz: ±0  0 :x: ±0 

Results for commit f5b92130. ± Comparison against base commit f5b92130.