Updating actions

Author: hvarg

.github/workflows/docker-publish.yml

@@ -38,9 +38,9 @@ jobs:
       matrix:
         node-version: [14.x]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
 
@@ -49,7 +49,7 @@ jobs:
         run: echo "::set-output name=dir::$(yarn cache dir)"
 
       - name: Use Yarn cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         id: yarn-cache
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
@@ -61,7 +61,7 @@ jobs:
       - name: Build (webpack) 
         run: CI=false; yarn build
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: nextjs-build
           path: ./build/
@@ -73,9 +73,9 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'push'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: nextjs-build
           path: build/