Revert "MBL-2734 Update circleci image tag to 2025.10.1"

[ycheng-kickstarter]

Reverts #2444 until we can figure out https://app.circleci.com/pipelines/github/kickstarter/android-private/1599/workflows/eec28061-fef3-4001-9adc-c83bdef04337/jobs/11566

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.55%. Comparing base (0fa1e90) to head (e39f3e9).
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Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2448      +/-   ##
============================================
- Coverage     64.55%   64.55%   -0.01%     
+ Complexity     2396     2395       -1     
============================================
  Files           376      376              
  Lines         28538    28538              
  Branches       4138     4138              
============================================
- Hits          18424    18423       -1     
  Misses         7857     7857              
- Partials       2257     2258       +1     

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