refactored 2 enum constants in rz_analysis.h

[moste00]

Your checklist for this pull request

• I've read the guidelines for contributing to this repository.
• I made sure to follow the project's coding style.
• I've documented every RZ_API function and struct this PR changes.
• I've added tests that prove my changes are effective (required for changes to RZ_API).
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Detailed description

Small refactoring away from integer constants into named enum constants of the same value.

Extracted from #5482

Test plan

CI is green

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.71%. Comparing base (2574cbf) to head (a24527d).
⚠️ Report is 2 commits behind head on dev.

Additional details and impacted files

Files with missing lines	Coverage Δ
librz/include/rz_analysis.h	77.77% <ø> (ø)

... and 13 files with indirect coverage changes

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