Update actions/setup-node action to v6

Author: renovate[bot]

.github/actions/install/action.yml

@@ -10,14 +10,14 @@ runs:
   steps:
     - name: Setup Node.js
       if: ${{ inputs.node-version == '' }}
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version-file: .nvmrc
         cache: 'yarn'
 
     - name: Use Node.js ${{ inputs.node-version }}
       if: ${{ inputs.node-version != '' }}
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ inputs.node-version }}
         cache: 'yarn'