Pylance - ignore _deps folder

In my case it was adding 3115 Python files and VS Code kept indexing them.

pyproject.toml

@@ -28,6 +28,12 @@ extend-exclude = '''
 reportInvalidTypeForm = false
 disableBytesTypePromotions = true
 reportUnnecessaryTypeIgnoreComment = true
+# Pylance doesn't respect gitignore, so we have to exclude files manually here
+# to avoid VS Code slowing down.
+# https://github.com/microsoft/pylance-release/issues/5169
+exclude = [
+    "_deps",
+]
 
 # Define here general ruff settings,
 # then they will be inherited by projects' .toml files.