Update README.md

Author: alstr

README.md

@@ -37,7 +37,7 @@ Create a `workflow.yml` file in your `.github/workflows` directory like:
         steps:
           - uses: "actions/checkout@master"
           - name: "TODO to Issue"
-            uses: "alstr/todo-to-issue-action@v4.6.8"
+            uses: "alstr/todo-to-issue-action@v4"
             id: "todo"
 ```