chore: fix coverage badge [skip ci] (#554)

README.md

@@ -3,7 +3,7 @@
     <img src="docs/images/logos/atala-prism-logo.png" alt="atala-prism-logo" width="513px" height="99px" />
   </a>
   <br>
-  <a href="https://coveralls.io/github/input-output-hk/atala-prism-building-blocks?branch=main"> <img src="https://coveralls.io/repos/github/input-output-hk/atala-prism-building-blocks/badge.svg?branch=main&t=91BUzX" alt="Coverage Status" /> </a>
+  <a href='https://coveralls.io/github/input-output-hk/atala-prism-building-blocks?branch=main'><img src='https://coveralls.io/repos/github/input-output-hk/atala-prism-building-blocks/badge.svg?branch=main&amp;t=91BUzX&kill_cache=1' alt='Coverage Status' /></a>
   <a href="https://github.com/input-output-hk/atala-prism-building-blocks/actions/workflows/prism-unit-tests.yml"> <img src="https://github.com/input-output-hk/atala-prism-building-blocks/actions/workflows/prism-unit-tests.yml/badge.svg" alt="Unit tests" /> </a>
   <a href="https://github.com/input-output-hk/atala-prism-building-blocks/actions/workflows/e2e-tests.yml"> <img src="https://github.com/input-output-hk/atala-prism-building-blocks/actions/workflows/e2e-tests.yml/badge.svg" alt="End-to-end tests" /> </a>
   <a href="https://github.com/input-output-hk/atala-prism-building-blocks/actions/workflows/performance-tests.yml"> <img src="https://github.com/input-output-hk/atala-prism-building-blocks/actions/workflows/performance-tests.yml/badge.svg" alt="Performance tests" /> </a>