script: update flake8 to 6.1.0

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

Author: jonatack

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 \

src/test/fuzz/descriptor_parse.cpp

@@ -85,7 +85,7 @@ class MockedDescriptorConverter {
         std::string desc;
         desc.reserve(mocked_desc.size());
 
-        // Replace all occurences of '%' followed by two hex characters with the corresponding key.
+        // Replace all occurrences of '%' followed by two hex characters with the corresponding key.
         for (size_t i = 0; i < mocked_desc.size();) {
             if (mocked_desc[i] == '%') {
                 if (i + 3 >= mocked_desc.size()) return {};