chore: Homebrew tap trust 경고 대응

Author: opficdev

.github/workflows/testflight.yml

@@ -91,6 +91,8 @@ jobs:
           cache: true
 
       - name: Install SwiftLint
+        env:
+          HOMEBREW_REQUIRE_TAP_TRUST: "1"
         shell: bash
         run: |
           set -euo pipefail