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

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

docs/contributing/index.md

@@ -94,4 +94,4 @@ We have included type stubs for the untyped `python-cmr` library, which we inten
 Fork the repository using the "Fork" button on the [repository
 homepage](https://github.com/nsidc/earthaccess), create a branch with your changes in the fork, then open
 a draft pull request from your fork. Starting a pull request provides additional instructions and requirements, and
-there is no harm in starting a draft pull request while still developing.
+there is no harm in starting a draft pull request while still developing.