chore: update Polyfill from 1.32.0 to 9.8.1

[Flash0ver]

Update Polyfill from 1.32.0 to 9.8.1.

Related

• Disambiguate forwarded types when global using directives are used SimonCropp/Polyfill#454
• chore: upgrade to C# 14.0 #4857

Additional Changes

• remove now redundant Polyfill
• enable Polyfill-feature FeatureHttp for .NET Standard 2.0 and .NET Standard 2.1
• ensure Polyfill-feature FeatureMemory is not used when System.Memory is in an incompatible version

[Flash0ver]

Potential fixes for making the namespace Polyfills globally available for projects that reference src/Sentry.csproj and has it's internals made been visible to:

• add <ItemGroup><Using Include="Polyfills" /></ItemGroup> to each of these projects
• some MSBuild additions and restructuring
• via an repo-internal Source-Generator utilizing GivesAccessTo

Update:
I went with a simpler conditional <Using Include="Polyfills" ....

[github-actions]

Semver Impact of This PR

⚪ None (no version bump detected)

📋 Changelog Preview

This is how your changes will appear in the changelog.
Entries from this PR are highlighted with a left border (blockquote style).

---

Dependencies ⬆️

• chore(deps): update Native SDK to v0.12.7 by github-actions in #4920

Other

• chore: update Polyfill from 1.32.0 to 9.8.1 by Flash0ver in #4879

• test(android): Use volatile to produce SIGSEGV in native crash test by jpnurmi in #4919

---

_{🤖 This preview updates automatically when you update the PR.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.84%. Comparing base (9a88d5e) to head (8e1c32d).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4879      +/-   ##
==========================================
- Coverage   73.85%   73.84%   -0.02%     
==========================================
  Files         494      496       +2     
  Lines       17868    17932      +64     
  Branches     3509     3512       +3     
==========================================
+ Hits        13197    13242      +45     
- Misses       3815     3828      +13     
- Partials      856      862       +6     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[Flash0ver]

note: now included via Polyfill