Bump codecov/codecov-action in the actions group across 1 directory

Bumps the actions group with 1 update in the / directory: [codecov/codecov-action](https://github.com/codecov/codecov-action).


Updates `codecov/codecov-action` from 4.3.1 to 4.4.0
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4.3.1...v4.4.0)

---
updated-dependencies:
- 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-additional.yaml

@@ -133,7 +133,7 @@ jobs:
           python -m mypy --install-types --non-interactive --cobertura-xml-report mypy_report xarray/
 
       - name: Upload mypy coverage to Codecov
-        uses: codecov/codecov-action@v4.3.1
+        uses: codecov/codecov-action@v4.4.0
         with:
           file: mypy_report/cobertura.xml
           flags: mypy
@@ -187,7 +187,7 @@ jobs:
           python -m mypy --install-types --non-interactive --cobertura-xml-report mypy_report xarray/
 
       - name: Upload mypy coverage to Codecov
-        uses: codecov/codecov-action@v4.3.1
+        uses: codecov/codecov-action@v4.4.0
         with:
           file: mypy_report/cobertura.xml
           flags: mypy39
@@ -248,7 +248,7 @@ jobs:
           python -m pyright xarray/
 
       - name: Upload pyright coverage to Codecov
-        uses: codecov/codecov-action@v4.3.1
+        uses: codecov/codecov-action@v4.4.0
         with:
           file: pyright_report/cobertura.xml
           flags: pyright
@@ -307,7 +307,7 @@ jobs:
           python -m pyright xarray/
 
       - name: Upload pyright coverage to Codecov
-        uses: codecov/codecov-action@v4.3.1
+        uses: codecov/codecov-action@v4.4.0
         with:
           file: pyright_report/cobertura.xml
           flags: pyright39

.github/workflows/ci.yaml

@@ -162,7 +162,7 @@ jobs:
           path: pytest.xml
 
       - name: Upload code coverage to Codecov
-        uses: codecov/codecov-action@v4.3.1
+        uses: codecov/codecov-action@v4.4.0
         with:
           file: ./coverage.xml
           flags: unittests

.github/workflows/upstream-dev-ci.yaml

@@ -143,7 +143,7 @@ jobs:
         run: |
           python -m mypy --install-types --non-interactive --cobertura-xml-report mypy_report
       - name: Upload mypy coverage to Codecov
-        uses: codecov/codecov-action@v4.3.1
+        uses: codecov/codecov-action@v4.4.0
         with:
           file: mypy_report/cobertura.xml
           flags: mypy