[SECURITY] Update json-schema requirement from ~> 4 to >= 4, < 6 (#892)

Updates the requirements on [json-schema](https://github.com/voxpupuli/json-schema) to permit the latest version.
- [Changelog](https://github.com/voxpupuli/json-schema/blob/master/CHANGELOG.md)
- [Commits](voxpupuli/json-schema@v4.3.0...v5.1.1)

---
updated-dependencies:
- dependency-name: json-schema
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Andrei Bondarev <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -4,7 +4,7 @@ PATH
     langchainrb (0.19.4)
       baran (~> 0.1.9)
       csv
-      json-schema (~> 4)
+      json-schema (>= 4, < 6)
       matrix
       pragmatic_segmenter (~> 0.3.0)
       zeitwerk (~> 2.5)
@@ -204,8 +204,9 @@ GEM
       reline (>= 0.4.2)
     jmespath (1.6.2)
     json (2.9.1)
-    json-schema (4.3.0)
-      addressable (>= 2.8)
+    json-schema (5.1.1)
+      addressable (~> 2.8)
+      bigdecimal (~> 3.1)
     jwt (2.10.1)
       base64
     language_server-protocol (3.17.0.3)

langchain.gemspec

@@ -29,7 +29,7 @@ Gem::Specification.new do |spec|
   # Not sure if we should require this as it only applies to OpenAI usecase.
   spec.add_dependency "baran", "~> 0.1.9"
   spec.add_dependency "csv"
-  spec.add_dependency "json-schema", "~> 4"
+  spec.add_dependency "json-schema", ">= 4", "< 6"
   spec.add_dependency "zeitwerk", "~> 2.5"
   spec.add_dependency "pragmatic_segmenter", "~> 0.3.0"
   spec.add_dependency "matrix"