Use node 20 in test runners

Author: jbtronics

.github/workflows/assets_artifact_build.yml

@@ -39,7 +39,7 @@ jobs:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
           restore-keys: |
-            ${{ runner.os }}-composer-  
+            ${{ runner.os }}-composer-
 
       - name: Install dependencies
         run: composer install --prefer-dist --no-progress --no-dev -a
@@ -59,7 +59,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
 
       - name: Install yarn dependencies
         run: yarn install

.github/workflows/tests.yml

@@ -103,7 +103,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
 
       - name: Install yarn dependencies
         run: yarn install