chore: auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

docs/user-guide/index.md

@@ -5,7 +5,7 @@ common operations like testing collections, roles
 within a collection using two or more tools
 within ansible dev tools ecosystem.
 
-[Anisble Ecosystem](https://docs.ansible.com/ecosystem.html){:target="_blank"}
+[Anisble Ecosystem](https://docs.ansible.com/ecosystem.html){:target="\_blank"}
 is a collection of projects or tools which lets you expand automation with
 varying set of use cases.