DEBUG-2334 add types for dynamic instrumentation settings

[p-datadog]

What does this PR do?

This PR adds sig files for dynamic instrumentation settings.

Motivation:

Perform additional type checks.

Additional Notes:

How to test the change?
Existing tests.

Unsure? Have a question? Request a review!

[pr-commenter]

Benchmarks

Benchmark execution time: 2024-09-18 21:21:07

Comparing candidate commit fd67115 in PR branch di-settings-sig with baseline commit f6ec8b7 in branch master.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 23 metrics, 2 unstable metrics.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.78%. Comparing base (f6ec8b7) to head (fd67115).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3924      +/-   ##
==========================================
- Coverage   97.78%   97.78%   -0.01%     
==========================================
  Files        1291     1291              
  Lines       77149    77149              
  Branches     3810     3810              
==========================================
- Hits        75440    75438       -2     
- Misses       1709     1711       +2     

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