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": "2025-08-26T22:05:32Z",
-  "commit_sha": "db33b388da58230bd066138ef063c917a856d999"
+  "updated_at": "2025-09-02T22:05:26Z",
+  "commit_sha": "6089487e4583080f5af15fd310e4d499afa7f291"
 }