ansible-base: updated to 2.10.12

v2.10.12
========

Minor Changes
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- ansible-test - aws creates and exposes a new tiny_prefix variable to provide a shorter prefix for the AWS tests.
- get_url - allow checksum urls to point to file:// resources, moving scheme test to function
- get_url - handle same SHA sum for checksum file (https://github.com/ansible/ansible/issues/71420).

Bugfixes
--------
- ansible-doc - in text output, do not show empty ``version_added_collection`` values (https://github.com/ansible/ansible/pull/74999).
- ansible-test - restrict ``packaging`` to ``< 21.0`` for Python ``< 3.6`` (https://github.com/ansible/ansible/pull/75186).
- get_url - Fixed checksum validation for binary files (leading asterisk) in checksum files (https://github.com/ansible/ansible/pull/74502).

(adam)