chore: Update vector store imports in vectordbs components (#83)

templates/components/vectordbs/typescript/astra/generate.ts

templates/components/vectordbs/typescript/astra/index.ts

templates/components/vectordbs/typescript/milvus/generate.ts

templates/components/vectordbs/typescript/milvus/index.ts

templates/components/vectordbs/typescript/mongo/generate.ts

templates/components/vectordbs/typescript/mongo/index.ts

templates/components/vectordbs/typescript/pg/generate.ts

templates/components/vectordbs/typescript/pg/index.ts

...ates/components/vectordbs/typescript/pinecone/generate.ts

templates/components/vectordbs/typescript/pinecone/index.ts

templates/components/vectordbs/typescript/qdrant/generate.ts

templates/components/vectordbs/typescript/qdrant/index.ts