release hw7 (s25)

Author: Fiona-CMU

_data/site.json

@@ -294,7 +294,7 @@
             "slides_dark_pdf": "https://raw.githubusercontent.com/rust-stuco/lectures/main/week7/closures_iterators-dark.pdf",
             "hw_handout": "/hw/iterlab/iterlab.zip",
             "hw_writeup": "/hw/iterlab/doc/iterlab/index.html",
-            "hw_released": false,
+            "hw_released": true,
             "details_released": true,
             "slides_released": true,
             "extras": [