docs: fix typo in Patterns.md

[loris307]

Fixes a typo in docs/Patterns.md: "for any repeating patters" -> "patterns".

Documentation only, no code change.

Checklist:

• The GitHub pipeline is OK (green), meaning that both pylint (static code analyzer) and black (code formatter) are happy with the changes of this PR.
• A unit test is covering the code added / modified by this PR
• This PR is ready to be merged
• In case of a new feature, docstrings have been added, with also some documentation in the docs/ folder
• A mention of the change is present in CHANGELOG.md

[andersonhc]

@allcontributors please add @loris307 for doc

[allcontributors]

@andersonhc

I've put up a pull request to add @loris307! 🎉

[andersonhc]

Merged. Thank you @loris307