Fix GitHub Actions workflows to use correct node version

The NODE_VERSION variable was not being correctly set, so the
`setup-node` action was defaulting to the latest LTS version (20.17.0).
This was causing `better-sqlite3` problems as it relies on native code
which does not target that version.

.github/workflows/playwright.yml

@@ -10,9 +10,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - name: Read .nvmrc
+        run: echo "NODE_VERSION=$(cat .nvmrc)" >> $GITHUB_OUTPUT
+        id: nvm
+      - name: Use Node.js ${{ steps.nvm.outputs.NODE_VERSION }}
+        uses: actions/setup-node@v4
         with:
-          node-version: lts/*
+          node-version: ${{ steps.nvm.outputs.NODE_VERSION }}
       - name: Install dependencies
         run: script/setup
       - name: Install Playwright Browsers

.github/workflows/test.yml

@@ -12,15 +12,15 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
       - name: Read .nvmrc
-        run: echo "{NODE_VERSION}={$(cat .nvmrc)}" >> $GITHUB_OUTPUT
+        run: echo "NODE_VERSION=$(cat .nvmrc)" >> $GITHUB_OUTPUT
         id: nvm
       - name: Use Node.js ${{ steps.nvm.outputs.NODE_VERSION }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ steps.nvm.outputs.NODE_VERSION }}
-      - name: Checkout repository
-        uses: actions/checkout@v4
       - name: Install dependencies
         run: |
           ./script/setup