Test less extreme combinations of parameters in SkewStudentT logcdf

Scipy underflows earlier than PyTensor in newer versions

Raise when number of dims does not match var.ndim

Do not run NB on RTD temporarily

Update __init__.py

Add test for freeze_dims_and_data in JAX backend

Add warning about future change in hessian sign

Allow freezing only subset of data and dims

*Also fix dim_lengths not being returned

Bump docker/setup-buildx-action from 3.2.0 to 3.3.0

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3.2.0 to 3.3.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v3.2.0...v3.3.0)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Allow Truncation of CustomDists

Improve example on expanded sample_posterior_predictive

Sample posterior_predictive relies on other groups to infer volatility, so it's important to keep the whole InferenceData.

Also there's a shape error if `sample_dims` is not specified