Bump codecov/codecov-action from 1 to 4 (#592)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 1 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@v1...v4)

---
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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/TypedSyntaxCI.yml

@@ -42,6 +42,6 @@ jobs:
         shell: julia --color=yes --project=. {0}    # this is necessary for the next command to work on Windows
         run: 'using Pkg; Pkg.activate(joinpath(pwd(), "TypedSyntax")); Pkg.instantiate(); Pkg.test(coverage=true)'
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v1
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info