build: use node version from "engines"

https://github.com/actions/setup-node/blob/main/docs/advanced-usage.md#node-version-file

Signed-off-by: Vinayak Kulkarni <19776877+vinayakkulkarni@users.noreply.github.com>

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup node env 📦
         uses: actions/setup-node@v3
         with:
-          node-version: 17
+          node-version-file: 'package.json'
           check-latest: true
           cache: 'npm'
 

.github/workflows/ct.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Setup node env 📦
         uses: actions/setup-node@v3
         with:
-          node-version: 10
+          node-version-file: 'package.json'
 
       - name: Check out repository ✨ (non-dependabot)
         if: ${{ github.actor != 'dependabot[bot]' }}