CI: bump timeout on windows to 7h

Author: andrewrk

.github/workflows/ci.yaml

@@ -73,6 +73,7 @@ jobs:
       - name: Build and Test
         run: ci/aarch64-macos-release.sh
   x86_64-windows-debug:
+    timeout-minutes: 420
     runs-on: [self-hosted, Windows, x86_64]
     env:
       ARCH: "x86_64"
@@ -82,6 +83,7 @@ jobs:
       - name: Build and Test
         run: ci/x86_64-windows-debug.ps1
   x86_64-windows-release:
+    timeout-minutes: 420
     runs-on: [self-hosted, Windows, x86_64]
     env:
       ARCH: "x86_64"