Bump @actions/core from 1.10.1 to 1.11.0 in /.github/actions/check-submodules (#302)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Michael Graeb <[email protected]>

Author: dependabot[bot]