Add opt-in native WEF channel settings and preserved CAPI2 read access

.github/workflows/native-channel-access.yml

@@ -0,0 +1,25 @@
+name: Native channel access regressions
+on:
+  push:
+    branches: ['**']
+  pull_request:
+  workflow_dispatch:
+permissions:
+  contents: read
+jobs:
+  native-channel-access:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - name: Safe command and runner fixtures in Windows PowerShell 5.1
+        shell: powershell
+        run: ./tests/NativeChannelAccess.Tests.ps1
+      - name: Safe command and runner fixtures in PowerShell 7
+        shell: pwsh
+        run: ./tests/NativeChannelAccess.Tests.ps1
+      - name: Real descriptor and read-only CLI smoke in Windows PowerShell 5.1
+        shell: powershell
+        run: ./tests/NativeChannelAccess.Windows.Tests.ps1
+      - name: Real descriptor and read-only CLI smoke in PowerShell 7
+        shell: pwsh
+        run: ./tests/NativeChannelAccess.Windows.Tests.ps1