Log Message:
py-asdf-standard: updated to 1.1.1

1.1.1 (2023-03-06)
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- Fix readthedocs config.

1.1.0 (2024-03-05)
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The in progress ASDF Standard is v1.6.0

The stable ASDF Standard is v1.5.0

- Add new ``quantity-1.2.0`` schema to support ``datatype`` option.
- Bugfix for ``base_format`` in ``time-1.2.0`` schema.
- Add new ``ndarray-1.1.0`` schema to fix 345
- Remove ``unit-1.1.0`` erroneously added in 350
- Fix URI fragment format in metaschema references.
- Fix URI fragment format in quantity-1.2 schema
- Drop support for python 3.8
- Add ``float16`` to ``ndarray-1.1.0``
- Remove unneeded ``tag`` keyword from ``fits`` schema
- Move non-core tags to ``astronomy`` manifest