stackhpc/20.0.0.34

019dd69 Update master for stable/2025.2
7309606 Tidy up release notes for Flamingo release
967c9b7 Add httpd image for OIDC/SAML frontend in uWSGI case
d4fee07 debian: use valkey from bookworm-backports
2e5c0e1 Bump versions of packages in sources.py
c48da4f CI: Fix publish secret for arm64
ff23164 CI: Fix missing variable in publish jobs
3f6985d Add Valkey
90d9768 horizon: unpin pip and setuptools
69cc5a3 Drop Venus images
16dcd5c Bump Ansible to 12 and ansible-core to 2.19
b97cf1f mariadb: Bump to 11.4
befeafc horizon: pin pip to <25.3
840bb75 Remove container image of neutron-linuxbridge-agent
683d48b neutron-metadata-agent: copy wrapper script for haproxy processes