⬆️ Bump quantecon-book-theme from 0.21.0 to 0.22.0

Author: mmcky

environment.yml

@@ -7,11 +7,9 @@ dependencies:
   - pip
   - pip:
     - jupyter-book>=1.0.4post1,<2.0
-    - quantecon-book-theme==0.21.0
+    - quantecon-book-theme==0.22.0
     - sphinx-tojupyter==0.6.0
     - sphinxext-rediraffe==0.3.0
     - sphinx-exercise==1.2.1
     - sphinxcontrib-youtube==1.5.0
-    - sphinx-togglebutton==0.4.5
-
-
+    - sphinx-togglebutton==0.4.5