chore: update deps and README (PER_5831)

.github/workflows/test.yml

@@ -5,14 +5,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v3
         with:
-          node-version: 14
-      - uses: actions/cache@v3
-        with:
-          path: ~/.npm
-          key: v1/${{ runner.os }}/node-14/${{ hashFiles('**/package-lock.lock') }}
-          restore-keys: v1/${{ runner.os }}/node-14/
+          node-version: 18
+          cache: 'npm'
       - name: Install dependencies
         run: npm ci
       - name: Run tests

README.md

@@ -122,3 +122,15 @@ completed' button. The unchanged snapshots appear grouped together at the bottom
 
 From here, you can try making your own changes to the app and tests, if you like. If you do, re-run
 the tests  and you'll see any visual changes reflected in Percy.
+
+````
+
+## Dependencies
+
+This example has been updated to use the following dependency versions (devDependencies):
+
+- @babel/core: 7.28.4
+- @babel/preset-env: 7.28.3
+- @percy/cli: 1.31.3
+- http-server: 14.1.1
+- todomvc-app-css: 2.4.3