chore(deps): update actions/setup-node action to v6

Author: renovate[bot]

.github/workflows/merge-jobs.yml

@@ -26,7 +26,7 @@ jobs:
         id: nvm
 
       - name: Use Node.js ${{ env.NVMRC }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ env.NVMRC }}
 

.github/workflows/pages.yml

@@ -41,7 +41,7 @@ jobs:
         id: nvm
 
       - name: Use Node.js ${{ env.NVMRC }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ env.NVMRC }}
 

.github/workflows/pull-request-jobs.yml

@@ -28,7 +28,7 @@ jobs:
         id: nvm
 
       - name: Use Node.js ${{ env.NVMRC }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ env.NVMRC }}