check perm (#291)

Author: bitfaster

.github/workflows/gate.yml

@@ -13,6 +13,9 @@ jobs:
 
     runs-on: windows-latest
 
+    permissions:
+      checks: write
+
     steps:
     - uses: actions/checkout@v3
     - name: Setup .NET Core
@@ -51,6 +54,9 @@ jobs:
 
     runs-on: macos-latest
 
+    permissions:
+      checks: write
+
     steps:
     - uses: actions/checkout@v3
     - name: Setup .NET Core