Emit `CrashReported` Metric to App insights.

[nharper285]

Summary of the Pull Request

What is this about?

PR Checklist

• [ ] Applies to work item: #xxx
• [ ] CLA signed. If not, go over here and sign the CLI.
• [ ] Tests added/passed
• [ ] Requires documentation to be updated
• [ ] I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx

Info on Pull Request

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Validation Steps Performed

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[codecov-commenter]

Codecov Report

Merging #3571 (d4fd422) into main (4a67a48) will decrease coverage by 0.43%. The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #3571      +/-   ##
==========================================
- Coverage   39.99%   39.57%   -0.43%     
==========================================
  Files         303      275      -28     
  Lines       37679    32667    -5012     
  Branches     1728     1728              
==========================================
- Hits        15070    12928    -2142     
+ Misses      22287    19417    -2870     
  Partials      322      322              

Files	Coverage Δ
src/agent/onefuzz-telemetry/src/lib.rs	17.32% <0.00%> (-0.06%)	:arrow_down:
...gent/onefuzz-task/src/tasks/report/crash_report.rs	10.00% <0.00%> (-0.13%)	:arrow_down:

... and 59 files with indirect coverage changes