adds codecov.

Author: ljonesfl

.github/workflows/ci.yml

@@ -24,9 +24,10 @@ jobs:
       run: vendor/bin/phpunit tests --coverage-clover coverage.xml --coverage-filter src
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v5
       with:
+        token: ${{ secrets.CODECOV_TOKEN }}
         files: ./coverage.xml
         flags: formatters
-        token: ${{ secrets.CODECOV_TOKEN }}
-        fail_ci_if_error: false
+        slug: Neuron-PHP/formatting
+        fail_ci_if_error: true

README.md

@@ -1,5 +1,5 @@
 [![CI](https://github.com/Neuron-PHP/formatting/actions/workflows/ci.yml/badge.svg)](https://github.com/Neuron-PHP/formatting/actions)
-[![codecov](https://codecov.io/gh/Neuron-PHP/formatting/graph/badge.svg)](https://codecov.io/gh/Neuron-PHP/formatting)
+[![codecov](https://codecov.io/gh/Neuron-PHP/formatting/branch/develop/graph/badge.svg)](https://codecov.io/gh/Neuron-PHP/formatting)
 
 # Neuron-PHP Formatting