Add --enable-debug to CI test matrix

- Add new 'debug' job to unit-test.yml with --enable-debug configuration
- Ensures debug messaging system is tested in CI
- Addresses request from andrew@wolfssl.com

Co-Authored-By: andrew@wolfssl.com <andrew@wolfssl.com>

Author: devin-ai-integration[bot]

.github/workflows/unit-test.yml

@@ -83,6 +83,11 @@ jobs:
     with:
       config: --enable-nss
 
+  debug:
+    uses: ./.github/workflows/build-workflow.yml
+    with:
+      config: --enable-debug
+
   #TODO: --disable-aes            Enable AES (default: enabled)
   #TODO: --disable-aescbc         Enable AES-CBC (default: enabled)
   #TODO: --disable-sha256         Enable SHA-256 (default: enabled)