Bump langchainrb from 0.7.2 to 0.7.4

Bumps [langchainrb](https://github.com/andreibondarev/langchainrb) from 0.7.2 to 0.7.4.
- [Release notes](https://github.com/andreibondarev/langchainrb/releases)
- [Changelog](https://github.com/andreibondarev/langchainrb/blob/main/CHANGELOG.md)
- [Commits](patterns-ai-core/langchainrb@0.7.2...0.7.4)

---
updated-dependencies:
- dependency-name: langchainrb
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -113,7 +113,7 @@ GEM
     json (2.6.3)
     json-schema (4.0.0)
       addressable (>= 2.8)
-    langchainrb (0.7.2)
+    langchainrb (0.7.4)
       baran (~> 0.1.9)
       colorize (~> 0.8.1)
       json-schema (~> 4.0.0)