chore(deps): bump actions/setup-node from v1 to v2.0.0 (rjsf-team#1862)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from v1 to v2.0.0. - [Release notes](https://github.com/actions/setup-node/releases) - [Commits](actions/setup-node@v1...e434342) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
  steps:
  - uses: actions/checkout@v2
  - name: Use Node.js ${{ matrix.node-version }}
- uses: actions/setup-node@v1
+ uses: actions/setup-node@v2.0.0
  with:
  node-version: ${{ matrix.node-version }}
  - run: npm install
@@ -37,7 +37,7 @@ jobs:
  steps:
  - uses: actions/checkout@v2
  - name: Use Node.js 13.x
- uses: actions/setup-node@v1
+ uses: actions/setup-node@v2.0.0
  with:
  node-version: 13.x
  - run: npm install