fix(ci): download nfpm in linux-amd64

Author: Akash Satheesan

.github/workflows/ci.yaml

@@ -119,6 +119,11 @@ jobs:
         with:
           node-version: "12"
 
+      - name: Install nfpm
+        run: |
+          curl -sfL https://install.goreleaser.com/github.com/goreleaser/nfpm.sh | sh -s -- -b ~/.local/bin
+          export PATH=$HOME/.local/bin:$PATH
+
       - name: Download npm package
         uses: actions/download-artifact@v2
         with:
@@ -140,8 +145,9 @@ jobs:
           path: ./release-packages
 
   test-e2e:
+    name: End-to-end tests
     needs: linux-amd64
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-16.04
     env:
       PASSWORD: e45432jklfdsab
       CODE_SERVER_ADDRESS: http://localhost:8080