Add debugpy dependency to pyproject.toml (#14225)

In order to attach the debugger to a running docker container it has to
be inside the docker image

### What problem does this PR solve?

[#14224](https://github.com/infiniflow/ragflow/issues/14224)

### Type of change

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

pyproject.toml

@@ -24,6 +24,7 @@ dependencies = [
     "Crawl4AI>=0.4.0,<1.0.0",
     "dashscope==1.25.11",
     "deepl==1.18.0",
+    "debugpy>=1.8.13",
     "demjson3==3.0.6",
     "discord-py==2.3.2",
     "dropbox==12.0.2",
@@ -144,7 +145,6 @@ dependencies = [
     #    "werkzeug==3.0.6",
     #    "xxhash>=3.5.0,<4.0.0",
     #    "trio>=0.17.0,<0.29.0",
-    #    "debugpy>=1.8.13",
     #    "click>=8.1.8",
     "litellm~=1.82.0,!=1.82.7,!=1.82.8",
     #    "pip>=25.2",