Merge pull request #16 from JuliaDiff/dependabot/github_actions/codecov/codecov-action-4

Bump codecov/codecov-action from 3 to 4

Author: ChrisRackauckas

.github/workflows/CI.yml

@@ -41,7 +41,7 @@ jobs:
         env:
           JULIA_NUM_THREADS: ${{ matrix.threads }}
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info