chore(users): grfn -> aspen

Change-Id: I6c6847fac56f0a9a1a2209792e00a3aec5e672b9
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10809
Autosubmit: aspen <root@gws.fyi>
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Reviewed-by: lukegb <lukegb@tvl.fyi>

users/aspen/emacs.d/snippets/rust-mode/benchmark

@@ -0,0 +1,10 @@
+# -*- mode: snippet -*-
+# name: benchmark
+# uuid: benchmark
+# key: bench
+# condition: t
+# --
+#[bench]
+fn ${1:benchmark_name}(b: &mut Bencher) {
+   `%`b.iter(|| $0);
+}