Upgrade fiddle version

pin main dependencies for 1.3.1 release

downgrade jaxlib to 0.4.23 due to issues with jaxlib 0.4.24

PiperOrigin-RevId: 607823141

Update praxis 1.2.0 requirements

Pin the fiddle to 0.2.11 version

praxis/paxml 1.0.0 release

PiperOrigin-RevId: 523742465

update fiddle requirement to 0.2.6

set fiddle version to 0.2.5 in requirements.txt

pin fiddle version to 0.2.5 for praxis 0.2.1

update fiddle requirements