docs(src/assets/): update pdm official documentation

Author: KemingHe

src/assets/pdm/_metadata.json

@@ -1,6 +1,6 @@
 {
   "source_repo": "pdm-project/pdm",
   "docs_path": "docs",
-  "updated_at": "2026-01-27T22:06:52Z",
+  "updated_at": "2026-02-03T22:10:44Z",
   "commit_sha": "777f43cf002c8c42dd1f6f785c1f076e2bf1639c"
 }