Update the branch alias for dev-main

[stof]

Having the main branch aliased to an older minor version causes issues. Aliasing it only for the major version makes the maintenance easier as it does not need to be updated for each minor release.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.79%. Comparing base (0632ab1) to head (6bf73f1).
Report is 48 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2815      +/-   ##
==========================================
+ Coverage   78.75%   78.79%   +0.04%     
==========================================
  Files         163      167       +4     
  Lines        8593     8629      +36     
==========================================
+ Hits         6767     6799      +32     
- Misses       1826     1830       +4     

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[franmomu]

thank @stof!