ci: enforce nilaway (#1193)

Signed-off-by: Chris Gianelloni <[email protected]>

Author: wolf31o2

.github/workflows/nilaway.yml

@@ -22,4 +22,4 @@ jobs:
       - name: install nilaway
         run: go install go.uber.org/nilaway/cmd/nilaway@latest
       - name: run nilaway
-        run: nilaway ./... || true
+        run: nilaway ./...