ci: fix outdated gh action (#1118)

the pipeline did not run anymore since the actions we used were too old

Author: janz93

.github/workflows/build.yaml

@@ -20,8 +20,8 @@ jobs:
 
     steps:
 
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
       - uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
@@ -30,7 +30,7 @@ jobs:
       - name: Get yarn cache
         id: yarn-cache
         run: echo "::set-output name=dir::$(yarn cache dir)"
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ${{ steps.yarn-cache.outputs.dir }}
           key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}