deps: update codecov version for github workflow (#263)

Signed-off-by: ChrisLiu <chrisliu1995@163.com>

.github/workflows/ci.yaml

@@ -72,9 +72,10 @@ jobs:
           make test
           git status
       - name: Publish Unit Test Coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@18283e04ce6e62d37312384ff67231eb8fd56d24 # v5.4.3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with:
+          token: ${{ secrets.CODECOV_TOKEN }}
           flags: unittests
           file: cover.out
-      - name: Check diff
-        run: '[[ -z $(git status -s) ]] || (printf "Existing modified/untracked files.\nPlease run \"make generate manifests\" and push again.\n"; exit 1)'