Increase timeout for building example kernel

Author: phil-opp

Diff for: .github/workflows/build.yml

@@ -100,7 +100,7 @@ jobs:
           windows-latest
         ]
     runs-on: ${{ matrix.platform }}
-    timeout-minutes: 5
+    timeout-minutes: 10
 
     steps:
     - uses: actions/checkout@v1