build: use stricter build flags

[tkatila]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1593 (b355dc1) into main (3182ef3) will increase coverage by 0.06%.
Report is 4 commits behind head on main.
The diff coverage is n/a.

❗ Current head b355dc1 differs from pull request most recent head b2ca7d3. Consider uploading reports for the commit b2ca7d3 to get more accurate results

@@            Coverage Diff             @@
##             main    #1593      +/-   ##
==========================================
+ Coverage   49.50%   49.56%   +0.06%     
==========================================
  Files          42       42              
  Lines        4965     4965              
==========================================
+ Hits         2458     2461       +3     
+ Misses       2363     2361       -2     
+ Partials      144      143       -1     

see 1 file with indirect coverage changes

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