Merge pull request #230 from openedx/bmtcril/bump_codecov

chore: Upgrade codecov CI action

Author: bmtcril

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
 
       - name: Run Coverage
         if: matrix.python-version == '3.12' && matrix.toxenv=='django42'
-        uses: codecov/codecov-action@75cd11691c0faa626561e295848008c8a7dddffe # v5.5.4
+        uses: codecov/codecov-action@fb8b3582c8e4def4969c97caa2f19720cb33a72f # v7.0.0
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           flags: unittests