Bump actions/setup-node from v1 to v2.1.1

Bumps [actions/setup-node](https://github.com/actions/setup-node) from v1 to v2.1.1.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v1...321b6cc)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build-and-deploy-master.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Hent tag
         run: echo "::set-env name=TAG::1.1_$(git log -1 --pretty='%ad' --date=format:'%Y%m%d%H%M%S')_$(echo $GITHUB_SHA | cut -c1-7)"
       - name: Sette opp Node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2.1.1
         with:
           node-version: 12.x
 

.github/workflows/valider-pull-request.yml

@@ -8,7 +8,7 @@ jobs:
       - name: Hente kode
         uses: actions/checkout@v1
       - name: Sette opp Node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2.1.1
         with:
           node-version: 12.x