Bump to infinity v0.6.0-dev4 (#9013)

### What problem does this PR solve?

Bump to infinity v0.6.0-dev4.
WARNNING: infinity v0.6.0-dev4 has very different meta data format with
older versions. You have to destroy infinity data volume are restart
infinity container if there's existing data.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

docker/docker-compose-base.yml

     container_name: ragflow-infinity
     profiles:
       - infinity
-    image: infiniflow/infinity:v0.6.0-dev3
+    image: infiniflow/infinity:v0.6.0-dev4
     volumes:
       - infinity_data:/var/infinity
       - ./infinity_conf.toml:/infinity_conf.toml

docker/infinity_conf.toml

 buffer_manager_size      = "8GB"
 lru_num                  = 7
 temp_dir                 = "/var/infinity/tmp"
-result_cache             = "off"
-memindex_memory_quota    = "4GB"
+result_cache             = "on"
+memindex_memory_quota    = "1GB"
 
 [wal]
 wal_dir                       = "/var/infinity/wal"
-full_checkpoint_interval      = "30s"
-delta_checkpoint_interval     = "5s"
-# delta_checkpoint_threshold  = 1000000000
-wal_compact_threshold         = "1GB"
-
-# flush_at_once: write and flush log each commit
-# only_write: write log, OS control when to flush the log, default
-# flush_per_second: logs are written after each commit and flushed to disk per second.
-wal_flush                     = "only_write"
 
 [resource]
 resource_dir                  = "/var/infinity/resource"

helm/values.yaml

 infinity:
   image:
     repository: infiniflow/infinity
-    tag: v0.6.0-dev3
+    tag: v0.6.0-dev4
   storage:
     className:
     capacity: 5Gi

pyproject.toml

     "html-text==0.6.2",
     "httpx==0.27.0",
     "huggingface-hub>=0.25.0,<0.26.0",
-    "infinity-sdk==0.6.0-dev3",
+    "infinity-sdk==0.6.0-dev4",
     "infinity-emb>=0.0.66,<0.0.67",
     "itsdangerous==2.1.2",
     "json-repair==0.35.0",

uv.lock

 
 [[package]]
 name = "infinity-sdk"
-version = "0.6.0.dev3"
+version = "0.6.0.dev4"
 source = { registry = "https://mirrors.aliyun.com/pypi/simple" }
 dependencies = [
     { name = "numpy" },
     { name = "thrift" },
 ]
 wheels = [
-    { url = "https://mirrors.aliyun.com/pypi/packages/fc/2c/5d93a6200e8022549d07c2609f89e81b96fe78383409881ca210f16736e1/infinity_sdk-0.6.0.dev3-py3-none-any.whl", hash = "sha256:e9f528446f21debbd1d15d11f42a5da4f38d62ad4537faacfdda6b2d295bf8fd" },
+    { url = "https://mirrors.aliyun.com/pypi/packages/d4/cc/645ed8de15952940c7308a788036376583a5fc29fdcf3e4bc75b5ad0c881/infinity_sdk-0.6.0.dev4-py3-none-any.whl", hash = "sha256:f8f4bd8a44e3fae7b4228b5c9e9a16559b4905f50d2d7d0a3d18f39974613e7a" },
 ]
 
 [[package]]
     { name = "httpx", specifier = "==0.27.0" },
     { name = "huggingface-hub", specifier = ">=0.25.0,<0.26.0" },
     { name = "infinity-emb", specifier = ">=0.0.66,<0.0.67" },
-    { name = "infinity-sdk", specifier = "==0.6.0.dev3" },
+    { name = "infinity-sdk", specifier = "==0.6.0.dev4" },
     { name = "itsdangerous", specifier = "==2.1.2" },
     { name = "json-repair", specifier = "==0.35.0" },
     { name = "langfuse", specifier = ">=2.60.0" },