[Draft] Support FastDifferentiation.jl as symbolic AD backend and parametric bounds

[lassepe]

Draft; do not merge.

• [x] Requires https://github.com/brianguenter/FastDifferentiation.jl/pull/43
• [ ] Waiting for https://github.com/brianguenter/FastDifferentiation.jl/pull/40

Todos

• [ ] rebase
• [ ] go over in-code TODO's
• [ ] Split out parametric bounds feature
• [ ] improve dispatch logic
• [ ] add tests
• [ ] update gradient rule to account for derivative in bounds
• [ ] tag a breaking release

[codecov[bot]]

Codecov Report

Attention: 32 lines in your changes are missing coverage. Please review.

Comparison is base (00807b2) 91.59% compared to head (43cf3de) 72.84%.

:exclamation: Current head 43cf3de differs from pull request most recent head 86afb7d. Consider uploading reports for the commit 86afb7d to get more accurate results

Files	Patch %	Lines
src/parametric_problem.jl	0.00%	32 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #14 +/- ## =========================================== - Coverage 91.59% 72.84% -18.75% =========================================== Files 5 5 Lines 119 151 +32 =========================================== + Hits 109 110 +1 - Misses 10 41 +31 ``` | [Flag](https://app.codecov.io/gh/lassepe/ParametricMCPs.jl/pull/14/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Lasse+Peters) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/lassepe/ParametricMCPs.jl/pull/14/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Lasse+Peters) | `72.84% <0.00%> (-18.75%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Lasse+Peters#carryforward-flags-in-the-pull-request-comment) to find out more.

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