update req file

Signed-off-by: Deb Taylor <deb.taylor@intel.com>

Documentation/requirements.txt

@@ -1,14 +1,7 @@
-sphinx==1.8.0
-breathe<4.13.0
-sphinx_rtd_theme<1
+sphinx==4.2.0
+breathe==4.29.2
+sphinx_rtd_theme
 toml>=0.10
 
 # Work around Sphinx/docutils incompatibility, see https://github.com/sphinx-doc/sphinx/issues/9727.
 # TODO: This shouldn't be necessary once we upgrade to newer Sphinx (Sphinx 4.2.0 is not yet
-# compatible with new docutils, but pins the docutils version by itself).
-docutils<0.17
-
-# jinja 3.1.0 removed quite a few functions used by sphinx
-# https://jinja.palletsprojects.com/en/3.1.x/changes/#version-3-1-0
-# https://github.com/pallets/jinja/pull/1544
-jinja2<3.1