bump actions version

.github/workflows/main.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -48,28 +48,28 @@ jobs:
 
       # Publish built docs to gh-pages branch.
       - name: Checkout documentation branch
-        if: matrix.python-version == '3.10'
-        uses: actions/checkout@v2
+        if: matrix.python-version == '3.11'
+        uses: actions/checkout@v4
         with:
           ref: gh-pages
           path: gh-pages
           persist-credentials: false
 
       - name: Build docs
-        if: matrix.python-version == '3.10'
+        if: matrix.python-version == '3.11'
         run: |
           pip install sphinx nbsphinx scikit-learn ipython
           sudo apt-get install pandoc texlive texlive-latex-extra dvipng
           make docs
 
       - uses: actions/upload-artifact@v2
-        if: (matrix.python-version == '3.10') && (github.event_name == 'pull_request')
+        if: (matrix.python-version == '3.11') && (github.event_name == 'pull_request')
         with:
           name: "doc_${{ github.event.pull_request.number }}"
           path: docs/build/html
 
       - name: Move docs over
-        if: (matrix.python-version == '3.10') && (github.event_name == 'push')
+        if: (matrix.python-version == '3.11') && (github.event_name == 'push')
         run: |
           ls
           cp -r docs/build/html/* gh-pages/
@@ -82,7 +82,7 @@ jobs:
           # that.
 
       - name: Push changes
-        if: (matrix.python-version == '3.10') && (github.event_name== 'push')
+        if: (matrix.python-version == '3.11') && (github.event_name== 'push')
         uses: ad-m/github-push-action@master
         with:
           branch: gh-pages