Python: Bump weaviate image to 1.33.3 (#13313)

### Motivation and Context

Weaviate server needs a bump.

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Author: moonbox3

.github/workflows/python-integration-tests.yml

@@ -322,7 +322,7 @@ jobs:
           # Opens tcp port 6379 on the host and service container
           - 6379:6379
       weaviate:
-        image: cr.weaviate.io/semitechnologies/weaviate:1.26.6
+        image: cr.weaviate.io/semitechnologies/weaviate:1.33.3
         ports:
           - 8080:8080
           - 50051:50051