docs: fix CI workflow file name

Author: hnatiukr

README.md

@@ -12,7 +12,7 @@ TypeScript constructor of  symbolic expressions.
 
 <p align="center">
   <a href="https://github.com/hnatiukr/ts-expression/actions/workflows/deno-ci.yml">
-  <img src="https://img.shields.io/github/actions/workflow/status/hnatiukr/ts-expression/workflow.yml?color=blue&style=for-the-badge" alt="Deno">
+  <img src="https://img.shields.io/github/actions/workflow/status/hnatiukr/ts-expression/deno-ci.yml?color=blue&style=for-the-badge" alt="Deno">
   </a>
   <a href="https://github.com/hnatiukr/ts-expression">
     <img src="https://img.shields.io/github/license/hnatiukr/ts-expression?color=blue&style=for-the-badge" alt="MIT License">