CI: fix codespell false positive by adding word to ignore list

"exampels" is in the script's check for misspelled examples folders. Although codespell is right to detect this as a misspelled word, the word is intentionally misspelled in the code, and thus needs to be ignored.

Author: per1234

etc/codespell-ignore-words-list.txt

@@ -1,3 +1,4 @@
 ba
 propert
 te
+exampels