Update actions in CI workflow

Author: peytondmurray

.github/workflows/ipywidgets-bokeh-ci.yml

@@ -23,16 +23,16 @@ jobs:
 
     steps:
       - name: Set up conda and install base
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
           auto-update-conda: true
           activate-environment: test
 
       - name: Checkout the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}