Optionally add element type to constructed URI

Fix "workflow_dispatch" mode for test-upstream action

Add python 3.13, Remove python 3.8

Fix multilayer relative imports

BF: Bug fixes and other improvement in `SchemaBuilder.add_enum()`

As discussed in dev call

Cherry-pciked fixes from #378 for rc2

- Convert setUpClass to pytest module-scoped fixture
- Convert 6 test methods to standalone functions
- Convert unittest.skipIf to pytest.mark.skip
- Convert unittest.SkipTest to pytest.skip
- Reuse loader_test helper function from test_loaders_pydantic
- Preserve RDF loader functionality and context server setup

Convert test_loaders.py to pytest format

…chemaview.py

…to-pytest

Convert test_loaders_pydantic.py to pytest format

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5.6.0 to 6.0.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v5.6.0...v6.0.0)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [pypa/gh-action-pypi-publish](https://github.com/pypa/gh-action-pypi-publish) from 1.12.4 to 1.13.0.
- [Release notes](https://github.com/pypa/gh-action-pypi-publish/releases)
- [Commits](pypa/gh-action-pypi-publish@v1.12.4...v1.13.0)

---
updated-dependencies:
- dependency-name: pypa/gh-action-pypi-publish
  dependency-version: 1.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 6.6.1 to 6.8.0.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@v6.6.1...v6.8.0)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: 6.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.4.3 to 5.5.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v5.4.3...v5.5.1)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: 5.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

…/setup-python-6.0.0

Bump actions/setup-python from 5.6.0 to 6.0.0

…i-publish-1.13.0

…/codecov-action-5.5.1

Bump codecov/codecov-action from 5.4.3 to 5.5.1

…sh/setup-uv-6.8.0

Bump astral-sh/setup-uv from 6.6.1 to 6.8.0

…-action-pypi-publish-1.13.0

Bump pypa/gh-action-pypi-publish from 1.12.4 to 1.13.0

test_schemaview.py: minor tidying, fixture creation

test_schemaview.py: improve some tests and more general test tidying

schemaview.py: add tests for get_identifier_slot and get_key_slot

…e (filter-repo)