ignore CHANGELOG.md for codespell (#71)

* ignore CHANGELOG.md for codespell

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

pyproject.toml

@@ -58,6 +58,7 @@ Homepage = "https://github.com/ReproNim/reproschema-py"
 line-length = 79
 
 [tool.codespell]
+exclude-file = "CHANGELOG.md"
 ignore-words = "codespell_ignore_words.txt"
 skip = "./.git"