chore(deps): bump codecov/codecov-action from 5.5.2 to 6.0.0 (#1851)

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/ci-build.yml

@@ -95,7 +95,7 @@ jobs:
           PYTHONPATH=$PWD:$PYTHONPATH pytest tests/slack_sdk/oauth/state_store/test_sqlalchemy.py
       - name: Upload test results to Codecov
         if: ${{ !cancelled() }}
-        uses: codecov/codecov-action@671740ac38dd9b0130fbe1cec585b89eea48d3de # v5.5.2
+        uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v6.0.0
         with:
           directory: ./reports/
           fail_ci_if_error: true
@@ -105,7 +105,7 @@ jobs:
           verbose: true
       - name: Upload test coverage to Codecov (only with latest supported version)
         if: startsWith(matrix.python-version, env.LATEST_SUPPORTED_PY)
-        uses: codecov/codecov-action@671740ac38dd9b0130fbe1cec585b89eea48d3de # v5.5.2
+        uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v6.0.0
         with:
           fail_ci_if_error: true
           # Run validation generates the coverage file