ci(pre-commit): Correct end-of-file-fixer exclude

The existing regex had numerous bugs and boiled down to a very complex
way of matching any file whatsoever in the tests directory. Correct the
syntax issues, and make a best guess at the original intent.

Author: Kurt-von-Laven

.pre-commit-config.yaml

@@ -5,7 +5,7 @@ repos:
     hooks:
       - id: check-vcs-permalinks
       - id: end-of-file-fixer
-        exclude: "tests/[test_*|data|commands/tests_*]/*"
+        exclude: "tests/((commands|data)/|test_).+"
       - id: trailing-whitespace
         args: [--markdown-linebreak-ext=md]
       - id: debug-statements