MRG: update the core documentation building packages: Sphinx, myst-pa…

…rser, and docutils (#2657)

Merge of #2601 and #2652.

Closes #2601
Closes #2223
Closes #2652

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -112,8 +112,8 @@ demo = [
   "ipython",
 ]
 doc = [
-  "sphinx>=4.4.0,<7",
-  "myst-parser==1.0.0",
+  "sphinx>=4.4.0,<8",
+  "myst-parser==2.0.0",
   "Jinja2==3.1.2",
   "alabaster",
   "sphinxcontrib-napoleon",