Update git submodules

Update git submodules

* Update python-glanceclient from branch 'master'
  to 9bac669986dd02b84d1cba9dec1e698e46989d27
  - Merge "Update master for stable/2025.2"
  - Update master for stable/2025.2

    Add file to the reno documentation build to show release notes for
    stable/2025.2.

    Use pbr instruction to increment the minor version number
    automatically so that master versions are higher than the versions on
    stable/2025.2.

    Sem-Ver: feature
    Change-Id: I85a4eb3bc5b0edd1dfefa7e203823bcd3543ddc9
    Signed-off-by: OpenStack Release Bot <infra-root@openstack.org>
    Generated-By: openstack/project-config:roles/copy-release-tools-scripts/files/release-tools/add_release_note_page.sh