Bump node from 16 to 21

Bumps node from 16 to 21.

---
updated-dependencies:
- dependency-name: node
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
       - name: checkout code
         uses: actions/checkout@v4
       - name: setup node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v3
         with:
           node-version: '16'
           cache: 'npm'
@@ -55,7 +55,7 @@ jobs:
           Copy-Item -Path ./backend/*.js -Destination ./build/youtubedl-material
           Copy-Item -Path ./backend/*.json -Destination ./build/youtubedl-material
       - name: upload build artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: youtubedl-material
           path: build
@@ -81,7 +81,7 @@ jobs:
           draft: true
           prerelease: false
       - name: download build artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v3
         with:
           name: youtubedl-material
           path: ${{runner.temp}}/youtubedl-material

.github/workflows/docker-pr.yml

@@ -24,9 +24,9 @@ jobs:
           json: '{"type": "docker", "tag": "nightly", "commit": "${{ steps.vars.outputs.sha_short }}", "date": "${{ steps.date.outputs.date }}"}'
           dir: 'backend/'
       - name: setup platform emulator
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v2
       - name: setup multi-arch docker build
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v2
       - name: build & push images
         uses: docker/build-push-action@v5
         with:

.github/workflows/docker-release.yml

@@ -57,10 +57,10 @@ jobs:
             type=raw,value=latest
 
       - name: setup platform emulator
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v2
 
       - name: setup multi-arch docker build
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v2
 
       - name: Login to DockerHub
         uses: docker/login-action@v3

.github/workflows/docker.yml

@@ -41,10 +41,10 @@ jobs:
           dir: 'backend/'
 
       - name: setup platform emulator
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v2
 
       - name: setup multi-arch docker build
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v2
 
       - name: Generate Docker image metadata
         id: docker-meta

.github/workflows/mocha.yml

@@ -18,7 +18,7 @@ jobs:
         node:
           - 16
     steps:
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v3
         with:
           node-version: '${{ matrix.node }}'
       - uses: actions/checkout@v4
@@ -30,7 +30,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-node-v${{ matrix.node }}-
           working-directory: ./backend
-      - uses: FedericoCarboni/setup-ffmpeg@v3
+      - uses: FedericoCarboni/setup-ffmpeg@v2
         id: setup-ffmpeg
       - name: Install Dependencies
         run: npm install

Dockerfile

@@ -39,7 +39,7 @@ RUN . "$NVM_DIR/nvm.sh" && nvm alias default v${NODE_VERSION}
 
 # Build frontend
 ARG BUILDPLATFORM
-FROM --platform=${BUILDPLATFORM} node:16 as frontend
+FROM --platform=${BUILDPLATFORM} node:21 as frontend
 RUN npm install -g @angular/cli
 WORKDIR /build
 COPY [ "package.json", "package-lock.json", "angular.json", "tsconfig.json", "/build/" ]