Bump codecov/codecov-action from 4 to 5 in the actions group (#14593)

Bumps the actions group with 1 update:
https://github.com/codecov/codecov-action

.github/workflows/docs.yml

@@ -34,6 +34,6 jobs:
       run: |
         coverage combine `find . -name .coverage\*` && coverage xml
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         name: Docs

.github/workflows/test.yml

@@ -103,7 +103,7 jobs:
       run: |
         pytest --color=yes -raXxs ${{ startsWith(matrix.python-version, 'pypy') && ' ' || '--cov --cov-report=xml' }} --maxfail=15
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
          name: Test
          files: /home/runner/work/ipython/ipython/coverage.xml