Cannot publish Pypi package

[andmat900]

Description

When a tag is pushed to a ETOS Python package repo (e. g. etos), the Pypi publishing action fails with this error:

Run pypa/gh-action-pypi-publish@release/v1
/usr/bin/docker run --name f51b59d7a81214d8a96f0ac2d5aa47574_8dcd7e --label 21979f --workdir /github/workspace --rm -e "INPUT_USER" -e "INPUT_PASSWORD" -e "INPUT_REPOSITORY-URL" -e "INPUT_REPOSITORY_URL" -e "INPUT_PACKAGES-DIR" -e "INPUT_PACKAGES_DIR" -e "INPUT_VERIFY-METADATA" -e "INPUT_VERIFY_METADATA" -e "INPUT_SKIP-EXISTING" -e "INPUT_SKIP_EXISTING" -e "INPUT_VERBOSE" -e "INPUT_PRINT-HASH" -e "INPUT_PRINT_HASH" -e "HOME" -e "GITHUB_JOB" -e "GITHUB_REF" -e "GITHUB_SHA" -e "GITHUB_REPOSITORY" -e "GITHUB_REPOSITORY_OWNER" -e "GITHUB_REPOSITORY_OWNER_ID" -e "GITHUB_RUN_ID" -e "GITHUB_RUN_NUMBER" -e "GITHUB_RETENTION_DAYS" -e "GITHUB_RUN_ATTEMPT" -e "GITHUB_REPOSITORY_ID" -e "GITHUB_ACTOR_ID" -e "GITHUB_ACTOR" -e "GITHUB_TRIGGERING_ACTOR" -e "GITHUB_WORKFLOW" -e "GITHUB_HEAD_REF" -e "GITHUB_BASE_REF" -e "GITHUB_EVENT_NAME" -e "GITHUB_SERVER_URL" -e "GITHUB_API_URL" -e "GITHUB_GRAPHQL_URL" -e "GITHUB_REF_NAME" -e "GITHUB_REF_PROTECTED" -e "GITHUB_REF_TYPE" -e "GITHUB_WORKFLOW_REF" -e "GITHUB_WORKFLOW_SHA" -e "GITHUB_WORKSPACE" -e "GITHUB_ACTION" -e "GITHUB_EVENT_PATH" -e "GITHUB_ACTION_REPOSITORY" -e "GITHUB_ACTION_REF" -e "GITHUB_PATH" -e "GITHUB_ENV" -e "GITHUB_STEP_SUMMARY" -e "GITHUB_STATE" -e "GITHUB_OUTPUT" -e "RUNNER_OS" -e "RUNNER_ARCH" -e "RUNNER_NAME" -e "RUNNER_ENVIRONMENT" -e "RUNNER_TOOL_CACHE" -e "RUNNER_TEMP" -e "RUNNER_WORKSPACE" -e "ACTIONS_RUNTIME_URL" -e "ACTIONS_RUNTIME_TOKEN" -e "ACTIONS_CACHE_URL" -e "ACTIONS_ID_TOKEN_REQUEST_URL" -e "ACTIONS_ID_TOKEN_REQUEST_TOKEN" -e "ACTIONS_RESULTS_URL" -e GITHUB_ACTIONS=true -e CI=true -v "/var/run/docker.sock":"/var/run/docker.sock" -v "/home/runner/work/_temp/_github_home":"/github/home" -v "/home/runner/work/_temp/_github_workflow":"/github/workflow" -v "/home/runner/work/_temp/_runner_file_commands":"/github/file_commands" -v "/home/runner/work/etos/etos":"/github/workspace" 21979f:51b59d7a81214d8a96f0ac2d5aa47574  "__token__" "" "" "" "" "" "false" ""
Checking dist/etos_client-6.6.1-py3-none-any.whl: FAILED
ERROR    `long_description` has syntax errors in markup and would not be        
         rendered on PyPI.                                                      
         No content rendered from RST source.                                   
WARNING  `long_description_content_type` missing. defaulting to `text/x-rst`.   
Checking dist/etos_client-6.6.1.tar.gz: PASSED with warnings
WARNING  `long_description_content_type` missing. defaulting to `text/x-rst`.   
WARNING  `long_description` missing.   

However pyproject.toml does not allow setting long_description:

$ python -m build
...
ValueError: invalid pyproject.toml config: `project`.
configuration error: `project` must not contain {'long_description', 'long_description_content_type'} properties
...

Additional Context

No response

Logs

No response

Expected Behavior

Pypi publishing action shall work.

Steps To Reproduce

No response

The version of this project/repo, if applicable

No response

The version/edition of the Eiffel Protocol used, if applicable

main