Fix typos discovered by codespell (#1922)

.pre-commit-config.yaml

@@ -39,3 +39,10 @@ repos:
       - id: no-commit-to-branch
         name: prevent commits to main
         args: [--branch, main]
+
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.4.1
+    hooks:
+      - id: codespell # See pyproject.toml for args
+        additional_dependencies:
+          - tomli