ci: use the correct version of node for test-ui (#21733)

Signed-off-by: Ryan Cragun <me@ryan.ec>

.github/workflows/ci.yml

@@ -202,14 +202,14 @@ jobs:
       # Setup node.js without caching to allow running npm install -g yarn (next step)
       - uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
         with:
-          node-version-file: './ui/package.json'
+          node-version: 14
       - id: install-yarn
         run: |
           npm install -g yarn
       # Setup node.js with caching using the yarn.lock file
       - uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
         with:
-          node-version-file: './ui/package.json'
+          node-version: 14
           cache: yarn
           cache-dependency-path: ui/yarn.lock
       - id: install-browser
@@ -278,7 +278,7 @@ jobs:
       - setup-go-cache
       - test-go
       - test-ui
-    if: always() 
+    if: always()
     runs-on: ${{ fromJSON(needs.setup.outputs.compute-tiny) }}
     steps:
       - run: |