Diffrax v0.1.2

Main change here is a minor technical one - Diffrax will no longer initialise the JAX backend as a side effect of being imported.

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Autogenerated release notes as follows:

What's Changed

• Removed explicit jaxlib dependency by @patrick-kidger in #93
• switch error_if to python if (regarding jax-ml/jax/issues/10047) by @amir-saadat in #99
• Doc fixes by @patrick-kidger in #100
• Bump version by @patrick-kidger in #107

New Contributors

• @amir-saadat made their first contribution in #99

Full Changelog: v0.1.1...v0.1.2