Replace bandit, flake8, isort, and pyupgrade with ruff (#8178)

* Replace bandit, flake8, isort, and pyupgrade with ruff

* Comment on ruff rules

* updating DIRECTORY.md

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Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

sorts/external_sort.py

@@ -104,7 +104,7 @@ class FileMerger:
         files = {}
 
         for i in range(len(filenames)):
-            files[i] = open(filenames[i], "r", buffer_size)
+            files[i] = open(filenames[i], "r", buffer_size)  # noqa: UP015
 
         return files