build(deps): update agentrust-trace requirement from >=0.3 to >=0.4.0

Updates the requirements on [agentrust-trace](https://github.com/agentrust-io/trace-spec) to permit the latest version.
- [Release notes](https://github.com/agentrust-io/trace-spec/releases)
- [Changelog](https://github.com/agentrust-io/trace-spec/blob/main/CHANGELOG.md)
- [Commits](agentrust-io/trace-spec@v0.3.0...v0.4.0)

---
updated-dependencies:
- dependency-name: agentrust-trace
  dependency-version: 0.4.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

claude-code/requirements.txt

@@ -5,5 +5,5 @@
 # --sign): the Agent Manifest and the TRACE Trust Record. Verified against the
 # PyPI releases below in a clean virtualenv.
 agent-manifest>=0.3
-agentrust-trace>=0.3
+agentrust-trace>=0.4.0
 agentrust-trace-tests>=0.2

scheduled-agents/requirements.txt

@@ -3,5 +3,5 @@
 #
 # Required only to sign a TRACE record (/schedule-trace, /schedule-manifest
 # approve --sign). Verified against the PyPI releases below in a clean virtualenv.
-agentrust-trace>=0.3
+agentrust-trace>=0.4.0
 agentrust-trace-tests>=0.2