[Ivette] Refonte du Labview

Closes #1334, #1037, and #1112

See merge request frama-c/frama-c!4403

[alias] correctly expose the graph's edge label type

See merge request frama-c/frama-c!4517

[nix] update commit

Closes #1316

See merge request frama-c/frama-c!4514

[alias] add support for function pointers and major API overhaul

See merge request frama-c/frama-c!4515

We can conservatively dereference function pointers using the results of
the points-to analysis.

Also, render it more interesting.

It makes no sense to reproduce all of the fold functions for sets of
variables and lvals, otherwise we should do the same for iter functions
and the like.
An API user should rather use the pre-existing functions from LSet and
VarSet. Therefore let's mark most of these functions as deprecated.

Fixes #2692

They are neither used nor particularly informative.

[alias] handle some outstanding issues and fix readout bug

Closes #1368, #1299, and #1309

See merge request frama-c/frama-c!4509

- odoc -> 2.4.1
- ppxlib -> 0.32.0

- remove useless packages
- fix deprecated symbol
- add export for disabling store mangling

The readout reconstructed offsets in the wrong order.

This fixes tests/known_bugs/union_readback.c
Fixes #1368

The use of unions may lead to a crash in certain circumstances

Cyclic graphs may occur in the presence of unsafe casts.
Instead of crashing with an exception we continue with a warning.

Fixes #1299
Move tests/known_bugs/reduce_by_valid.c -> tests/fixed_bugs/reduce_by_valid.c

See https://git.frama-c.com/frama-c/frama-c/-/issues/1299

Contains heterogeneous casts that result in a cyclic graph leading to an
assertion failure and thus a crash.

Fixes #1309

All the variables printed by printf have been checked for coherence with
the calculated aliases.