Doc: Update version format in README.md

Author: sylwit

README.md

@@ -16,7 +16,7 @@ Add the following step to a job in your workflow
 - id: install-b2-cli
   uses: sylwit/install-b2-cli-action@v1.0.0
   with:
-    version: v3.0.1     # default to latest
+    version: 3.0.1     # default to latest
   env:
     B2_APPLICATION_KEY_ID: ${{ secrets.B2_APPLICATION_KEY_ID }}
     B2_APPLICATION_KEY: ${{ secrets.B2_APPLICATION_KEY }}
@@ -51,4 +51,4 @@ Created and maintained by [Sylvain Witmeyer](https://github.com/sylwit)
 
 ## License
 
-This project is licensed under the MIT License - see the [LICENSE](https://github.com/sylwit/install-b2-cli-action/blob/master/LICENSE) file for details
+This project is licensed under the MIT License - see the [LICENSE](https://github.com/sylwit/install-b2-cli-action/blob/master/LICENSE) file for details