fix: add v prefix to trivy-action tag and reformat runner.py

- ci.yaml: trivy-action versions use v-prefix tags (v0.29.0, not 0.29.0)
- runner.py: reformat with black (pre-existing lint failure)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AhwicpfSvKesuRxBHs9sQ2

Author: claude

.github/workflows/ci.yaml

@@ -223,7 +223,7 @@ jobs:
           path: sbom.spdx.json
 
       - name: Vulnerability scan
-        uses: aquasecurity/trivy-action@0.29.0
+        uses: aquasecurity/trivy-action@v0.29.0
         with:
           scan-type: fs
           scan-ref: .

netengine/diagnostic/runner.py

@@ -60,14 +60,10 @@ def __init__(
         self.elapsed_ms = elapsed_ms
         self.remediation = remediation or hint
         self.related_phase = related_phase if related_phase is not None else phase
-        self.related_resource = (
-            related_resource if related_resource is not None else resource
-        )
+        self.related_resource = related_resource if related_resource is not None else resource
         log_commands = related_logs if related_logs is not None else logs
         self.related_logs = list(log_commands or [])
-        self.command_to_retry = (
-            command_to_retry if command_to_retry is not None else retry_command
-        )
+        self.command_to_retry = command_to_retry if command_to_retry is not None else retry_command
 
     @property
     def phase(self) -> int | None: