chore(flaky): Change env for flaky test detector (#6492)

Author: sl0thentr0py

.github/workflows/flaky-test-detector.yml

@@ -47,6 +47,8 @@ jobs:
     name: Detect flaky tests and open summary issue
     runs-on: ubuntu-latest
     timeout-minutes: 30
+    # ANTHROPIC_API_KEY is not a repo-level secret; it lives in this environment
+    environment: AI Integrations Tests
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2