Update docs requirements

requirements/docs.txt

@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile docs.in
+#    pip-compile --output-file=requirements/docs.txt requirements/docs.in
 #
 alabaster==0.7.13
     # via sphinx
@@ -17,7 +17,7 @@ charset-normalizer==3.1.0
 docutils==0.19
     # via sphinx
 furo==2024.1.29
-    # via -r docs.in
+    # via -r requirements/docs.in
 idna==3.4
     # via requests
 imagesize==1.4.1
@@ -40,11 +40,14 @@ soupsieve==2.5
     # via beautifulsoup4
 sphinx==7.0.0
     # via
-    #   -r docs.in
+    #   -r requirements/docs.in
     #   furo
     #   sphinx-basic-ng
+    #   sphinx-favicon
 sphinx-basic-ng==1.0.0b2
     # via furo
+sphinx-favicon==1.0.1
+    # via -r requirements/docs.in
 sphinxcontrib-applehelp==1.0.4
     # via sphinx
 sphinxcontrib-devhelp==1.0.2