feat: add dimensions property to Text2VecVoyageAIConfig and update tests (#363)

Author: databyjp

src/collections/config/types/vectorizer.ts

@@ -590,6 +590,8 @@ export type Text2VecVoyageAIConfig = {
   truncate?: boolean;
   /** Whether to vectorize the collection name. */
   vectorizeCollectionName?: boolean;
+  /** The number of dimensions for the generated embeddings. */
+  dimensions?: number;
 };
 
 /**

src/collections/configure/unit.test.ts

@@ -1546,6 +1546,7 @@ describe('Unit testing of the vectorizer factory class', () => {
       baseURL: 'base-url',
       model: 'model',
       truncate: true,
+      dimensions: 256,
     });
     expect(config).toEqual<VectorConfigCreate<never, 'test', 'hnsw', 'text2vec-voyageai'>>({
       name: 'test',
@@ -1559,6 +1560,7 @@ describe('Unit testing of the vectorizer factory class', () => {
           baseURL: 'base-url',
           model: 'model',
           truncate: true,
+          dimensions: 256,
         },
       },
     });