fix(readme): use correct contributor markers for workflow (#39)

The reusable contributors workflow expects different comment markers.

Author: CalvinAllen

README.md

@@ -283,13 +283,8 @@ cargo run -- --help
 
 ## 👥 Contributors
 
-<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
-<!-- prettier-ignore-start -->
-<!-- markdownlint-disable -->
-
-<!-- markdownlint-restore -->
-<!-- prettier-ignore-end -->
-<!-- ALL-CONTRIBUTORS-LIST:END -->
+<!-- readme: contributors -start -->
+<!-- readme: contributors -end -->
 
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