Update validate.yml

.github/workflows/validate.yml

@@ -1,26 +1,26 @@
-# https://docusaurus.io/docs/deployment#deploying-to-github-pages
+# https://docusaurus.io/docs/deployment#triggering-deployment-with-github-actions
 name: validate
 
 on:
   pull_request:
     branches: [main]
+  workflow_dispatch:
 
 jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+          
+      - uses: actions/setup-node@v5
         with:
           node-version: "20.x"
+          cache: yarn
+          
       - name: Test Build
         working-directory: foomo
         run: |
-          if [ -e yarn.lock ]; then
-            yarn install --frozen-lockfile
-          elif [ -e package-lock.json ]; then
-            npm ci
-          else
-            npm i
-          fi
+          yarn install --frozen-lockfile
           npm run build