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

Author: renovate[bot]

.github/workflows/accessibility.yml

@@ -19,7 +19,7 @@ jobs:
         with:
           maas-url: ${{env.MAAS_URL}}/MAAS
       - name: Use Node.js from .nvmrc
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version-file: ".nvmrc"
       - name: Install Cypress

.github/workflows/coverage.yaml

@@ -22,7 +22,7 @@ jobs:
           fetch-depth: 0  # Important for TICS to analyze history
 
       - name: Setup Node.js from .nvmrc
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version-file: ".nvmrc"
           cache: 'yarn'

.github/workflows/cypress.yml

@@ -28,7 +28,7 @@ jobs:
         with:
           maas-url: ${{ env.MAAS_URL }}/MAAS
       - name: Use Node.js from .nvmrc
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version-file: ".nvmrc"
       - name: Install Cypress

.github/workflows/links-checker.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Use Node.js from .nvmrc
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version-file: ".nvmrc"
       - name: Install dependencies

.github/workflows/test.yml

@@ -20,7 +20,7 @@ jobs:
           key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
 
       - name: Use Node.js from .nvmrc
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version-file: ".nvmrc"
 
@@ -41,7 +41,7 @@ jobs:
           path: "**/node_modules"
           key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
       - name: Use Node.js from .nvmrc
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version-file: ".nvmrc"
       - name: Install
@@ -68,7 +68,7 @@ jobs:
           path: "**/node_modules"
           key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
       - name: Use Node.js from .nvmrc
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version-file: ".nvmrc"
       - name: Install

.github/workflows/upload.yml

@@ -23,7 +23,7 @@ jobs:
           path: "**/node_modules"
           key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
       - name: Use Node.js from .nvmrc
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'
       - name: Install