Bump codecov/codecov-action from 6.0.1 to 7.0.0 (#393)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 6.0.1 to 7.0.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v6.0.1...v7.0.0)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: 7.0.0
  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>

Author: dependabot[bot]

.github/workflows/cargo-test.yml

@@ -43,7 +43,7 @@ jobs:
         run: |
           cargo llvm-cov nextest --all --lcov --output-path lcov.info --test-threads=1 --no-fail-fast
       - name: Upload to codecov.io
-        uses: codecov/codecov-action@v6.0.1
+        uses: codecov/codecov-action@v7.0.0
         with:
           slug: KittyCAD/machine-api
           token: ${{secrets.CODECOV_TOKEN}}