rtd needs this

Robert (Bob) Turner · Robert (Bob) Turner · commit 753fb16ddb75 · 2023-01-26T14:42:22.000Z
diff --git a/docs/source/requirements.txt b/docs/source/requirements.txt
@@ -1,3 +1,4 @@
-sphinx==4.2.0
-sphinx-autoapi==1.8.4
-sphinx-rtd-theme==1.0.0
+Sphinx==5.3.0
+myst-parser==0.18.1
+sphinx-autoapi==2.0.1
+sphinx-rtd-theme==1.1.1
