fix: drop windows from agent test (not yet supported)

Signed-off-by: Sam Gammon <sam@elide.ventures>

Author: sgammon

.github/workflows/ci.yml

@@ -419,16 +419,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        label: ["Ubuntu", "macOS M1", "macOS x86", "Windows"]
+        label: ["Ubuntu", "macOS M1", "macOS x86"]
         include:
           - os: ubuntu-latest
             label: "Ubuntu"
           - os: macos-13-xlarge
             label: "macOS M1"
           - os: macos-13
             label: "macOS x86"
-          - os: windows-latest
-            label: "Windows"
 
     steps:
       - name: Harden Runner