Update docs requirements.

Author: Julian

docs/requirements.txt

@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile docs/requirements.in
+#    pip-compile --resolver=backtracking docs/requirements.in
 #
 alabaster==0.7.13
     # via sphinx
@@ -76,7 +76,7 @@ sphinx-click==4.4.0
     # via -r docs/requirements.in
 sphinx-copybutton==0.5.1
     # via -r docs/requirements.in
-sphinx-json-schema-spec==2.3.3
+sphinx-json-schema-spec==2023.2.4
     # via -r docs/requirements.in
 sphinxcontrib-applehelp==1.0.4
     # via sphinx
@@ -90,7 +90,7 @@ sphinxcontrib-qthelp==1.0.3
     # via sphinx
 sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
-sphinxcontrib-spelling==7.7.0
+sphinxcontrib-spelling==8.0.0
     # via -r docs/requirements.in
 urllib3==1.26.14
     # via requests