chore: bump the actions group with 2 updates

Bumps the actions group with 2 updates: [mamba-org/setup-micromamba](https://github.com/mamba-org/setup-micromamba) and [codecov/codecov-action](https://github.com/codecov/codecov-action).


Updates `mamba-org/setup-micromamba` from 1 to 2
- [Release notes](https://github.com/mamba-org/setup-micromamba/releases)
- [Commits](mamba-org/setup-micromamba@v1...v2)

Updates `codecov/codecov-action` from 4.5.0 to 4.6.0
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4.5.0...v4.6.0)

---
updated-dependencies:
- dependency-name: mamba-org/setup-micromamba
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

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

.github/workflows/ci.yml

@@ -63,7 +63,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: env/testing_env.yml
           create-args: >-
@@ -83,6 +83,6 @@ jobs:
           pytest -ra --cov --cov-report=xml --cov-report=term --durations=20
 
       - name: Upload coverage report
-        uses: codecov/codecov-action@v4.5.0
+        uses: codecov/codecov-action@v4.6.0
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}