update codecov

Author: vincentsarago

.github/workflows/cicd.yml

@@ -8,6 +8,8 @@ on:
     tags:
     - '*'
   pull_request:
+env:
+  LATEST_PY_VERSION: '3.12'
 
 jobs:
   tests:
@@ -35,10 +37,10 @@ jobs:
         run: tox -e py
 
       - name: Upload Results
-        if: success()
-        uses: codecov/codecov-action@v1
+        if: ${{ matrix.python-version == env.LATEST_PY_VERSION }}
+        uses: codecov/codecov-action@v4
         with:
           file: ./coverage.xml
           flags: unittests
-          name: ${{ matrix.platform }}-${{ matrix.tox-env }}
+          name: ${{ matrix.python-version }}
           fail_ci_if_error: false