1.5.0

See https://github.com/edx/learning-assistant/blob/main/CHANGELOG.rst#150---2023-10-18

1.4.0: Reduce message list length

Merge pull request #21 from edx/alangsto/update_message_length

feat: use reduced message to avoid maxing out tokens

1.3.3: Grant audit learners access

Merge pull request #20 from edx/alangsto/add_audit_access

feat: give audit learners access to la bot

1.3.2: Fix json field deserialization

Merge pull request #15 from edx/alangsto/fix_json_field

fix: remove deserialization of jsonfield

1.3.1: Remove prompt field

Merge pull request #14 from edx/alangsto/remove_prompt_field

feat: remove prompt field

1.3.0: Add json prompt field

Merge pull request #12 from edx/alangsto/update_prompt_model

feat: add json field to store prompt message content

1.2.1: Make prompt field nullable

Merge pull request #13 from edx/alangsto/allow_nullable_prompt_field

feat: make prompt field nullable

1.2.0: Update request structure

Merge pull request #11 from edx/alangsto/add_endpoint_auth

feat: add endpoint authentication

1.0.0: Initial learning-assistant release

Merge pull request #5 from edx/alangsto/release-endpoint

feat: release initial endpoint