Run notebooks with Simpeg v0.24.0 (#55)

Bump SimPEG version in `environment.yml` and `index.md` to v0.24.0. Fix
some r-strings using LaTeX symbols. Rerun notebooks with SimPEG v0.24.0.

Author: santisoler

environment.yml

@@ -2,15 +2,15 @@ name: simpeg-user-tutorials
 channels:
   - conda-forge
 dependencies:
-  - python=3.10.*
+  - python=3.12.*
   # Myst requirements
   - nodejs>18
   - mystmd
   # Notebook requirements
   - jupyter
   - jupyterlab-myst
   - nbconvert
-  - simpeg==0.23.*
+  - simpeg==0.24.*
   - discretize==0.11.*
   - choclo==0.3.*
   - scikit-learn

index.md

@@ -10,7 +10,7 @@ SimPEG user tutorials is the place for those who have [installed SimPEG](https:/
 
 
 :::{caution} Caution
-These user tutorials are meant to be run with **SimPEG v0.23**.
+These user tutorials are meant to be run with **SimPEG v0.24**.
 Please, make sure you have this version installed.
 :::