fix: workflow panic

Author: fumiama

.github/workflows/nightly.yml

@@ -19,7 +19,11 @@ jobs:
         goarch: ["386", amd64, arm, arm64]
         exclude:
           - goos: windows
-            goarch: ["arm", "386", "arm64"]
+            goarch: arm
+          - goos: windows
+            goarch: arm64
+          - goos: windows
+            goarch: 386
       fail-fast: true
     steps:
       - uses: actions/checkout@master