Fix typo in release notes file name

[ryanbogan]

Description

Fixes typo in release notes file name

Check List

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (d1df755) 89.14% compared to head (923076b) 89.03%.
Report is 1 commits behind head on 2.12.

Additional details and impacted files

@@             Coverage Diff              @@
##               2.12     #625      +/-   ##
============================================
- Coverage     89.14%   89.03%   -0.11%     
+ Complexity      768      767       -1     
============================================
  Files            93       93              
  Lines          2746     2746              
  Branches        223      223              
============================================
- Hits           2448     2445       -3     
- Misses          219      221       +2     
- Partials         79       80       +1     

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