script: update flake8 to 6.1.0

and touch up the spelling returned by lint-spelling.py

ci/lint/04_install.sh

@@ -35,7 +35,7 @@ python3 --version
 
 ${CI_RETRY_EXE} pip3 install \
   codespell==2.2.5 \
-  flake8==6.0.0 \
+  flake8==6.1.0 \
   lief==0.13.2 \
   mypy==1.4.1 \
   pyzmq==25.1.0 \