Bump codecov/codecov-action from 3 to 4 (#1194)

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

Author: dependabot[bot]

.github/workflows/run_tests_cli.yml

@@ -55,7 +55,7 @@ jobs:
         coverage xml
 
     - name: Code coverage
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         file: coverage.xml
         flags: cli

.github/workflows/tests.yml

@@ -149,7 +149,7 @@ jobs:
 
     - name: Code coverage matlab
       if: matrix.test_type == 'unit'
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         file: coverage.xml
         flags: ${{ matrix.os }}_matlab-${{ matrix.matlab }}_${{ matrix.mode }}

.github/workflows/tests_octave.yml

@@ -146,7 +146,7 @@ jobs:
 
     - name: Code coverage
       if: matrix.test_type == 'unit'
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         file: coverage.xml
         flags: octave

.github/workflows/tests_windows.yml

@@ -128,7 +128,7 @@ jobs:
 
     - name: Code coverage matlab
       if: matrix.test_type == 'unit'
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         file: coverage.xml
         flags: ${{ matrix.os }}_matlab-${{ matrix.matlab }}_${{ matrix.mode }}