docs: fix tex formulas rendering for tutorials

[fnhirwa]

Before submitting

• Was this discussed/approved via a Github issue? (no need for typos and docs improvements)
• Did you make sure to update the docs?
• Did you write any new necessary tests?

What does this PR do?

This branch is the one that is pinned for docs.
We will need to update the submodule once this is merged into this branch

related to Lightning-AI/pytorch-lightning#19633
The PR at the main branch which was failing to build:
#316

PR review

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[Borda]

Btw, if this PR is different than #316 please name it to match what it does =)

[Borda]

this branch is automaticly generated so if you want to trigger the builds, you need to bump "build: ..." in each .meta.yaml

[Borda]

in fact, here is just generating ipython notebooks so if the rendering via sphinx is the target of this update it needs to live in the PL repo where these notebooks are inputs but the docs generation is happening there... sorry for any eventual confusion 🐰