added release notes file

[jurgenvinju]

• adds old RELEASE-NOTES file with release notes up to 0.28.x
• add recent release notes too

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 45%. Comparing base (d7291c4) to head (f133019).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##              main   #2873   +/-   ##
=======================================
- Coverage       45%     45%   -1%     
+ Complexity    6807    6801    -6     
=======================================
  Files          844     844           
  Lines        68785   68785           
  Branches     10023   10023           
=======================================
- Hits         31365   31360    -5     
- Misses       35047   35051    +4     
- Partials      2373    2374    +1     

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