Check for warnings in examples

[IndrajeetPatil]

@lorenzwalthert We can either do this and/or add a new workflow from lintr that runs tests in strict mode.

I prefer doing both, but wanted to first check with you.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.57%. Comparing base (7b5327c) to head (e19bc2c).

❗ Current head e19bc2c differs from pull request most recent head 27a07d5

Please upload reports for the commit 27a07d5 to get more accurate results.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1219   +/-   ##
=======================================
  Coverage   91.57%   91.57%           
=======================================
  Files          46       46           
  Lines        2647     2647           
=======================================
  Hits         2424     2424           
  Misses        223      223           

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[lorenzwalthert]

I also prefer both 👍.

[lorenzwalthert]

Do we really need a separate workflow or can we incorporate it an existing one? I try to limit compute time.