Update README.md

Author: timkpaine

profile/README.md

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 ## Python Project Templates
 
-[![License](https://img.shields.io/badge/license-Apache--2.0-green)](https://github.com/python-project-templates)
+[![License](https://img.shields.io/badge/license-Apache--2.0-brightgreen)](https://github.com/python-project-templates)
 
 This organization contains repos with examples of integrating Python with various tooling (CI/CD, linting, testing etc) and bindings/other language integration.