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

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: KemingHe

src/assets/pip/_metadata.json

@@ -1,6 +1,6 @@
 {
   "source_repo": "pypa/pip",
   "docs_path": "docs",
-  "updated_at": "2025-08-05T22:05:12Z",
-  "commit_sha": "20b39ec104b94181c01731192d03cbe0d1f9f3a7"
+  "updated_at": "2025-08-12T22:05:04Z",
+  "commit_sha": "b73fc049e47e7c422015d08323d413adceb8435e"
 }

src/assets/pip/html/development/architecture/anatomy.rst

@@ -18,7 +18,6 @@ The ``README``, license, ``pyproject.toml``, and so on are in the top level.
 
 * ``AUTHORS.txt``
 * ``LICENSE.txt``
-* ``MANIFEST.in``
 * ``NEWS.rst``
 * ``pyproject.toml``
 * ``README.rst``