chore: Raise node version in workflows to 20

Author: clepski

.github/workflows/build-project.yml

@@ -35,10 +35,10 @@ jobs:
         id: buildx
         if: ${{ github.event_name == 'pull_request' }}
         uses: docker/setup-buildx-action@v3
-      - name: Use Node.js 18.x
+      - name: Use Node.js 20.x
         uses: actions/setup-node@v6
         with:
-          node-version: '18.x'
+          node-version: '20.x'
 
       - name: Test application with npm
         timeout-minutes: 45

.github/workflows/release-project.yml

@@ -39,10 +39,10 @@ jobs:
         with:
           username: ${{ secrets.DOCKER_HUB_USERNAME }}
           password: ${{ secrets.DOCKER_HUB_TOKEN }}
-      - name: Use Node.js 18.x
+      - name: Use Node.js 20.x
         uses: actions/setup-node@v6
         with:
-          node-version: '18.x'
+          node-version: '20.x'
 
       - name: Build application with npm
         run: |

.github/workflows/test-and-build.yml

@@ -10,10 +10,10 @@ jobs:
         with:
           submodules: 'true'
 
-      - name: Use Node.js 18.x
+      - name: Use Node.js 20.x
         uses: actions/setup-node@v6
         with:
-          node-version: "18.x"
+          node-version: "20.x"
 
       - name: Install and Test OpenSCD
         run: |

.github/workflows/test.yml

@@ -15,10 +15,10 @@ jobs:
         with:
           submodules: 'true'
 
-      - name: Use Node.js 18.x
+      - name: Use Node.js 20.x
         uses: actions/setup-node@v6
         with:
-          node-version: "18.x"
+          node-version: "20.x"
 
       - name: Install and Test
         run: |