fix(rules/schema): allow healthScriptResult action in ime-log-pattern enum

CI ajv validation rejected HS-NEW-RESULT.json because the new healthScriptResult
action wasn't in the schema's enum allowlist. Add it next to the other script*
actions.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

rules/schema/ime-log-pattern.schema.json

@@ -68,6 +68,7 @@
             "scriptExitCode",
             "scriptOutput",
             "scriptCompleted",
+            "healthScriptResult",
             "captureExitCode",
             "captureHResult",
             "captureAppVersion",