chore(ci): bump rustsec/audit-check to current HEAD

I hate seeing the Node 24 warning on all my CI runs, and this should fix
it.

Signed-off-by: Steven Noonan <steven@uplinklabs.net>

Author: tycho

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
         run: cargo clippy --all-targets -- -D warnings
 
       - name: Audit
-        uses: rustsec/audit-check@v2
+        uses: rustsec/audit-check@858dc40f52ca2b8570b7a997c1c4e35c6fc9a432
         with:
           token: ${{ secrets.GITHUB_TOKEN }}