FIX - Pin Astroid to fix Read the Docs (#2126)

Fixes #2125. 

I applied this same change to my fork, and it fixed the Read the Docs
build.

Author: gabalafou

pyproject.toml

@@ -52,6 +52,7 @@ classifiers = [
 
 [project.optional-dependencies]
 doc = [
+  "astroid>=3", # fix for sphinx.autoapi and read the docs, should be reverted at a later date - see issue #2125
   "numpydoc",
   "linkify-it-py", # for link shortening
   "rich",