Bump infinity to v0.6.0-dev2 (#4497)

### What problem does this PR solve?

Bump infinity to v0.6.0-dev2. Close #4477 

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

docker/docker-compose-base.yml

@@ -39,7 +39,7 @@ services:
     container_name: ragflow-infinity
     profiles:
       - infinity
-    image: infiniflow/infinity:v0.6.0-dev1
+    image: infiniflow/infinity:v0.6.0-dev2
     volumes:
       - infinity_data:/var/infinity
       - ./infinity_conf.toml:/infinity_conf.toml

pyproject.toml

@@ -48,7 +48,7 @@ dependencies = [
     "html-text==0.6.2",
     "httpx==0.27.0",
     "huggingface-hub>=0.25.0,<0.26.0",
-    "infinity-sdk==0.6.0-dev1",
+    "infinity-sdk==0.6.0-dev2",
     "infinity-emb>=0.0.66,<0.0.67",
     "itsdangerous==2.1.2",
     "markdown==3.6",
@@ -120,7 +120,6 @@ dependencies = [
     "pyodbc>=5.2.0,<6.0.0",
     "pyicu>=2.13.1,<3.0.0",
     "flasgger>=0.9.7.1,<0.10.0",
-    "polars-lts-cpu>=1.9.0,<2.0.0",
     "xxhash>=3.5.0,<4.0.0"
 ]