fix(ci): resolve crash due to NPM version issue (#157)

Author: naorpeled

.github/workflows/pull-request.yml

@@ -4,14 +4,14 @@ on:
     types: [opened, reopened, synchronize]
 
 env:
-  NPM_VERSION: latest
+  NPM_VERSION: 7
 
 jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [14, 16, 18]
+        node: [14, 16, 18, 20]
     name: Node ${{ matrix.node }}
     steps:
       - name: 'Checkout latest code'
@@ -22,15 +22,13 @@ jobs:
         uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node }}
-      - name: Install latest npm
+      - name: Install npm
         run: |
           npm install -g npm@$NPM_VERSION &&
           npm --version &&
           npm list -g --depth 0
       - name: Install dependencies
         run: npm ci
-      - name: Install dependencies
-        run: npm ci
       - name: Run tests
         run: npm run test