Bumps [langchain](https://github.com/langchain-ai/langchainjs) from 1.3.5 to 1.4.2. - [Release notes](https://github.com/langchain-ai/langchainjs/releases) - [Commits](https://github.com/langchain-ai/langchainjs/compare/@langchain/aws@1.3.5...langchain@1.4.2) --- updated-dependencies: - dependency-name: langchain dependency-version: 1.4.2 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>