Only use --legacy-peer-deps for node 18.x and higher in CI

Author: valscion

.github/workflows/main.yml

@@ -20,8 +20,15 @@ jobs:
         with:
           node-version: ${{ matrix.node }}
 
+      - name: Download deps without --legacy-peer-deps
+        uses: bahmutov/npm-install@v1
+        if: matrix.node == '16.x'
+        with:
+          install-command: npm ci
+
       - name: Download deps
         uses: bahmutov/npm-install@v1
+        if: matrix.node != '16.x'
         with:
           install-command: npm ci --legacy-peer-deps