ci: Cache per node version

Author: buffcode

.github/workflows/nodejs.yml

@@ -26,7 +26,7 @@ jobs:
         uses: actions/cache@v2
         with:
           path: '**/node_modules'
-          key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+          key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}-${{ matrix.node-version }}
       - name: Install dependencies
         if: steps.yarn-cache.outputs.cache-hit != 'true'
         run: yarn install --frozen-lockfile