0.19.5 (#978)

* removing Gemfile.lock

it’s generally accepted that the Gemfile.lock should not be included in a published library.

* ignore Gemfile.lock

* version bump

Author: sergiobayona

.gitignore

@@ -15,3 +15,4 @@
 .DS_Store
 .idea
 test.ann
+Gemfile.lock

CHANGELOG.md

@@ -9,7 +9,7 @@
 - [DOCS]: Documentation changes. No changes to the library's behavior.
 - [SECURITY]: A change which fixes a security vulnerability.
 
-## [Unreleased]
+## [0.19.5]
 - [BREAKING] [https://github.com/patterns-ai-core/langchainrb/pull/859] Add metadata support to PgVector storage
 - [BUGFIX] [https://github.com/patterns-ai-core/langchainrb/pull/939] Fix Langchain::Vectorsearch::Milvus initializer by passing :api_key
 - [BUGFIX] [https://github.com/patterns-ai-core/langchainrb/pull/953] Handle nil response in OpenAI LLM streaming