fixup: add valgrind symlink

Author: not-matthias

.github/workflows/codspeed.yml

@@ -79,6 +79,11 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v5
 
+      # Ensure that the runner doesn't install it's own valgrind by linking vg-in-place to /usr/local/bin/valgrind, 
+      # which makes the version check work correctly.
+      - name: Link vg-in-place to /usr/local/bin/valgrind
+        run: sudo ln -sf "$PWD/vg-in-place" /usr/local/bin/valgrind
+
       - name: Run the benchmarks
         uses: CodSpeedHQ/action@main
         env: