#829: add ThrottledLint decorator to prevent lint stalling

[nacNAC333]

Summary

Adds ThrottledLint decorator to prevent lints from prolonging and stalling the build.

Changes

• New ThrottledLint class wraps any Lint and limits its execution to 10 seconds
• If the wrapped lint exceeds the timeout, a single WARNING defect is returned
• Uses Java ExecutorService with Future.get(timeout, TimeUnit.SECONDS) for thread management
• Properly handles TimeoutException, ExecutionException, and InterruptedException
• Includes comprehensive test suite with 4 test cases

Related

• Issue ThrottledLint decorator needed to prevent lints from prolonging and stalling the build objectionary/lints#829: ThrottledLint decorator to prevent stalling
• Addresses the problem where slow lints can stall the entire build