Skip flaky test: test_simple_data

[devinfra-flakiness]

Please help us keep Sentry flake-free by merging this PR while a longer-term
resolution is implemented in issue #98056.

Test: tests/relay_integration/test_integration.py::SentryRemoteTest::test_simple_data

Statistics over the last 30 days:
* Runs Recorded: 870
* Flakes Failed: 1 (0.114943%)
* Flakes Retried: 2 (0.229885%)

Example Flakes:

• https://github.com/getsentry/sentry/actions/runs/16916983151/job/47933287605
• https://github.com/getsentry/sentry/actions/runs/16629380943/job/47054533569

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See also:
Flaky Test Policy & Responsibilities

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #98057      +/-   ##
==========================================
- Coverage   80.73%   80.62%   -0.11%     
==========================================
  Files        8604     8598       -6     
  Lines      381301   379219    -2082     
  Branches    24710    24710              
==========================================
- Hits       307846   305756    -2090     
- Misses      73077    73085       +8     
  Partials      378      378              

[getsantry]

This pull request has gone three weeks without activity. In another week, I will close it.

But! If you comment or otherwise update it, I will reset the clock, and if you add the label WIP, I will leave it alone unless WIP is removed ... forever!

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"A weed is but an unloved flower." ― Ella Wheeler Wilcox 🥀