Bump codecov/codecov-action from 4 to 5

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4 to 5.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4...v5)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
       - run: julia --project=. -e 'using Pkg; Pkg.instantiate()'
       - run: julia --project=. --color=yes --check-bounds=yes test/sequential/runtests.jl
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         with:
           file: lcov.info
   MPITests:
@@ -75,7 +75,7 @@ jobs:
       - run: cd test/TestApp/compile; ./compile.sh 
       - run: julia --project=test/TestApp/ --color=yes --check-bounds=yes test/mpi/runtests.jl test/TestApp/compile/TestApp.so
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         with:
           file: lcov.info
   docs: