Add support for go 1.26.x and remove support for go 1.24.x

[ccojocar]

Add support for go 1.26.x and remove support for go 1.24.x. Only the last two major versions are suported.

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.59%. Comparing base (1216c9b) to head (01e42fd).
⚠️ Report is 190 commits behind head on master.
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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1508      +/-   ##
==========================================
- Coverage   68.49%   66.59%   -1.90%     
==========================================
  Files          75       94      +19     
  Lines        4384     7431    +3047     
==========================================
+ Hits         3003     4949    +1946     
- Misses       1233     2246    +1013     
- Partials      148      236      +88     

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