Quote pg uri

Author: vgarvardt

.github/workflows/testing.yml

@@ -35,7 +35,7 @@ jobs:
         if: success()
         run: go test -timeout 60s -cover ./... -coverprofile=coverage.txt -covermode=atomic
         env:
-          PG_URI: postgres://test:test@localhost:${{ job.services.postgres.ports[5432] }}/test?sslmode=disable
+          PG_URI: "postgres://test:test@localhost:${{ job.services.postgres.ports[5432] }}/test?sslmode=disable"
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v1