Move the agent into the os matrix

Author: michael-richey

.github/workflows/datadog_test_optimization.yml

@@ -31,6 +31,10 @@ env:
 
 jobs:
   test-optimization:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
     services:
       datadog-agent:
         image: datadog/agent:latest
@@ -40,10 +44,6 @@ jobs:
           DD_API_KEY: ${{ secrets.DD_API_KEY }}
           DD_HOSTNAME: "none"
           DD_INSIDE_CI: "true"
-    strategy:
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-    runs-on: ${{ matrix.os }}
     steps:
       - name: Install Python
         uses: actions/setup-python@7f4fc3e22c37d6ff65e88745f38bd3157c663f7c