Apply suggestions from code review

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Author: hugovk

.github/compare-dist-sizes.py

@@ -55,7 +55,8 @@ def key_for(filename: str) -> str | None:
         return f"wheel:{build}-{m['python']}-{m['abi']}-{m['platform']}"
     if m := SDIST_RE.match(filename):
         return "sdist"
-    return None
+    msg = f"Unexpected dist name: {filename}"
+    raise ValueError(msg)
 
 
 def display_for(filename: str) -> str:

.github/workflows/wheels.yml

@@ -267,7 +267,6 @@ jobs:
 
       - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
         with:
-          enable-cache: false
 
       - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with: