Bump codecov/codecov-action from 3 to 4

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3 to 4.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -96,6 +96,6 @@ jobs:
     #   if: ${{ matrix.os == 'ubuntu-latest' }}
     #   run: echo 4 | sudo tee -a /proc/sys/fs/inotify/max_user_watches; julia --project --code-coverage=user -e 'using Pkg, Revise; cd(joinpath(dirname(pathof(Revise)), "..", "test")); include("inotify.jl")'
     - uses: julia-actions/julia-processcoverage@latest
-    - uses: codecov/codecov-action@v3
+    - uses: codecov/codecov-action@v4
       with:
         file: lcov.info