fix(docs): correct grammar mistake in CONTRIBUTING.md. (#452)

Removed unnecessary with in "- Lint code *with* by [doing x]"

Author: Kn4ughty

CONTRIBUTING.md

@@ -86,7 +86,7 @@ A Python linter and code formatter. Ruff uses the `pyproject.toml` as its config
 
 #### Running Locally
 
-- Lint code with by moving into the `/tagstudio` directory with `cd tagstudio` and running `ruff --config ../pyproject.toml`.
+- Lint code by moving into the `/tagstudio` directory with `cd tagstudio` and running `ruff --config ../pyproject.toml`.
 - Format code with `ruff format` inside the repository directory
 
 Ruff is also available as a VS Code [extension](https://marketplace.visualstudio.com/items?itemName=charliermarsh.ruff), PyCharm [plugin](https://plugins.jetbrains.com/plugin/20574-ruff), and [more](https://docs.astral.sh/ruff/integrations/).