Update Weaviate version to accept empty vector index

Author: dirkkul

.github/workflows/main.yaml

@@ -28,7 +28,7 @@ env:
   WEAVIATE_134: 1.34.19
   WEAVIATE_135: 1.35.18
   WEAVIATE_136: 1.36.12
-  WEAVIATE_137: 1.37.1-4e61e26.amd64
+  WEAVIATE_137: 1.37.5-e0fe0d5.amd64
 
 jobs:
   lint-and-format: