[Compiler] Add Catalyst jacobian and grad methods

[maliasadi]

Context:
This PR adds support for QJIT compatible qml.jacobian and qml.grad. Please see ADR 74 for implementation details.

[sc-46406]

[github-actions]

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Please edit doc/releases/changelog-dev.md with:

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[codecov]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (9c593fe) 99.57% compared to head (498f0e1) 99.55%.
Report is 2 commits behind head on maa/integrate-catalyst-2.

Additional details and impacted files

@@                     Coverage Diff                      @@
##           maa/integrate-catalyst-2    #4709      +/-   ##
============================================================
- Coverage                     99.57%   99.55%   -0.02%     
============================================================
  Files                           383      382       -1     
  Lines                         34046    33919     -127     
============================================================
- Hits                          33901    33768     -133     
- Misses                          145      151       +6     

Files	Coverage Δ
pennylane/_grad.py	90.12% <57.89%> (-9.88%)	⬇️

... and 34 files with indirect coverage changes

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[josh146]

Looks good from my end @maliasadi! Just minor updates

[rmoyard]

Thanks it looks good to me 💯