Stable-7.0 installing collection ansible-config_template error

[cerberek]

Bug Report

collections:
  - name: https://opendev.org/openstack/ansible-config_template
    version: 1.2.1
    type: git

branch doesn't exists
and ansible-galaxy collection install -r ./requirements.yml gives

[DEPRECATION WARNING]: [defaults]callback_whitelist option, normalizing names to new standard, use callbacks_enabled instead. This feature will be removed from ansible-core in version
2.15. Deprecation warnings can be disabled by setting deprecation_warnings=False in ansible.cfg.
Starting galaxy collection install process
Process install dependency map
Cloning into '/root/.ansible/tmp/ansible-local-1640391htpoq7_i/tmpjidxuvsq/ansible-config_templateotuxy489'...
remote: Enumerating objects: 1922, done.
remote: Counting objects: 100% (363/363), done.
remote: Compressing objects: 100% (137/137), done.
remote: Total 1922 (delta 331), reused 226 (delta 226), pack-reused 1559
Receiving objects: 100% (1922/1922), 387.16 KiB | 778.00 KiB/s, done.
Resolving deltas: 100% (1031/1031), done.
Note: switching to '1.2.1'.

You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by switching back to a branch.

If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -c with the switch command. Example:

  git switch -c <new-branch-name>

Or undo this operation with:

  git switch -

Turn off this advice by setting config variable advice.detachedHead to false

HEAD is now at 7422a09 Move config_template to plugins/action

What happened:

What you expected to happen: install requirements.yml without error

How to reproduce it (minimal and precise):

Share your group_vars files, inventory and full ceph-ansibe log

Environment:

• OS (e.g. from /etc/os-release):
• Kernel (e.g. uname -a):
• Docker version if applicable (e.g. docker version):
• Ansible version (e.g. ansible-playbook --version):

 ansible-playbook --version
ansible-playbook [core 2.12.0]
  config file = /root/ceph-ansible/ansible.cfg
  configured module search path = ['/root/ceph-ansible/library']
  ansible python module location = /usr/local/lib/python3.9/dist-packages/ansible
  ansible collection location = /root/.ansible/collections:/usr/share/ansible/collections
  executable location = /usr/local/bin/ansible-playbook
  python version = 3.9.2 (default, Feb 28 2021, 17:03:44) [GCC 10.2.1 20210110]
  jinja version = 3.1.2
  libyaml = True

• ceph-ansible version (e.g. git head or tag or stable branch):
  git rev-parse HEAD: b82a6ed1a7170c2445d477c567c181366d9ed944
• Ceph version (e.g. ceph -v):
  ceph version 17.2.3 (dff484dfc9e19a9819f375586300b3b79d80034d) quincy (stable)