[FF-1429]: Bump actions/setup-node from v1 to v2.1.2

Bumps [actions/setup-node](https://github.com/actions/setup-node) from v1 to v2.1.2.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v1...c6fd00c)

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/all-contributors.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2.3.3
-    - uses: actions/setup-node@v1
+    - uses: actions/setup-node@v2.1.2
       with:
         node-version: "12.x"
     - uses: sinchang/all-contributors-action@master