chore(deps): update actions/setup-node action to v2

[skip ci]

Author: renovate-bot

.github/workflows/nodejs.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-node@v1
+    - uses: actions/setup-node@v2
       with:
         node-version: "12.14.1"
     - uses: actions/cache@v2
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: "12.14.1"
       - uses: actions/cache@v2