Update docs requirements.

Author: Julian

docs/requirements.txt

@@ -6,11 +6,13 @@
 #
 alabaster==0.7.12
     # via sphinx
+attrs==22.1.0
+    # via referencing
 babel==2.11.0
     # via sphinx
 beautifulsoup4==4.11.1
     # via furo
-certifi==2022.9.24
+certifi==2022.12.7
     # via requests
 charset-normalizer==2.1.1
     # via requests
@@ -20,14 +22,15 @@ docutils==0.19
     # via
     #   sphinx
     #   sphinx-click
-furo==2022.9.29
+furo==2022.12.7
     # via -r docs/requirements.in
 hyperlink==21.0.0
     # via -r docs/requirements.in
 idna==3.4
     # via
     #   hyperlink
     #   requests
+    #   yarl
 imagesize==1.4.1
     # via sphinx
 jinja2==3.1.2
@@ -36,7 +39,9 @@ lxml==4.9.1
     # via sphinx-json-schema-spec
 markupsafe==2.1.1
     # via jinja2
-packaging==21.3
+multidict==6.0.3
+    # via yarl
+packaging==22.0
     # via sphinx
 pyenchant==3.2.2
     # via sphinxcontrib-spelling
@@ -47,8 +52,8 @@ pygments==2.13.0
     #   sphinx
 pygments-github-lexers==0.0.5
     # via -r docs/requirements.in
-pyparsing==3.0.9
-    # via packaging
+pyrsistent==0.19.2
+    # via referencing
 pytz==2022.6
     # via babel
 file:.#egg=referencing
@@ -70,11 +75,11 @@ sphinx==5.3.0
     #   sphinxcontrib-spelling
 sphinx-basic-ng==1.0.0b1
     # via furo
-sphinx-click==4.3.0
+sphinx-click==4.4.0
     # via -r docs/requirements.in
 sphinx-copybutton==0.5.1
     # via -r docs/requirements.in
-sphinx-json-schema-spec==2.3.1
+sphinx-json-schema-spec==2.3.2
     # via -r docs/requirements.in
 sphinxcontrib-applehelp==1.0.2
     # via sphinx
@@ -90,5 +95,7 @@ sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
 sphinxcontrib-spelling==7.7.0
     # via -r docs/requirements.in
-urllib3==1.26.12
+urllib3==1.26.13
     # via requests
+yarl==1.8.2
+    # via referencing