update environment

Author: mmcky

environment.yml

@@ -1,19 +1,19 @@
 name: quantecon
 channels:
   - default
-  - conda-forge
 dependencies:
   - python=3.13
   - anaconda=2025.06
   - pip
   - pip:
-    - jupyter-book==1.0.3
-    - quantecon-book-theme==0.8.2
-    - sphinx-tojupyter==0.3.0
+    - jupyter-book==1.0.4post1
+    - quantecon-book-theme==0.8.3
+    - sphinx-tojupyter==0.3.1
     - sphinxext-rediraffe==0.2.7
     - sphinx-exercise==1.0.1
-    - ghp-import==2.1.0
-    - sphinxcontrib-youtube==1.3.0 #Version 1.3.0 is required as quantecon-book-theme is only compatible with sphinx<=5
-    - sphinx-proof==0.2.0
+    - sphinx-proof==0.2.1
+    - sphinxcontrib-youtube==1.4.1
     - sphinx-togglebutton==0.3.2
-    - sphinx-reredirects==0.1.4 #Version 0.1.5 requires sphinx>=7.1
+    - sphinx-reredirects==1.0.0
+
+