ci: Add tests for deactivating integrations to misc workflow

[alexander-alderman-webb]

Description

Adds a new tox environment to run the tests introduced in #5052.

The tests in the new environment are run as part of the Test Misc workflow.

Issues

Reminders

• Please add tests to validate your changes, and lint your code using tox -e linters.
• Add GH Issue ID & Linear ID (if applicable)
• PR title should use conventional commit style (feat:, fix:, ref:, meta:)
• For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.93%. Comparing base (4ac8df8) to head (4e68072).
⚠️ Report is 2 commits behind head on shellmayr/feat/auto-deactivate-lower-level-integartions.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@                                     Coverage Diff                                     @@
##           shellmayr/feat/auto-deactivate-lower-level-integartions    #5061      +/-   ##
===========================================================================================
+ Coverage                                                    83.92%   83.93%   +0.01%     
===========================================================================================
  Files                                                          179      179              
  Lines                                                        17906    17905       -1     
  Branches                                                      3185     3189       +4     
===========================================================================================
+ Hits                                                         15028    15029       +1     
- Misses                                                        1907     1909       +2     
+ Partials                                                       971      967       -4     

see 7 files with indirect coverage changes