ENH: Update anaconda==2023.03 (#131)

* ENH: Update anaconda==2023.03

* upgrade to python=3.10

* update syntax

* re-enable cache

Author: mmcky

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
           auto-update-conda: true
           auto-activate-base: true
           miniconda-version: 'latest'
-          python-version: 3.9
+          python-version: "3.10"
           environment-file: environment.yml
           activate-environment: quantecon
       - name: Install latex dependencies

environment.yml

@@ -2,8 +2,8 @@ name: quantecon
 channels:
   - default
 dependencies:
-  - python=3.9
-  - anaconda=2022.05
+  - python=3.10
+  - anaconda=2023.03
   - pip
   - pip:
     - jupyter-book==0.15.1