ci: Use "v2.0.0" branch for security check

Signed-off-by: John Nunley <dev@notgull.net>

.github/workflows/ci.yml

@@ -70,6 +70,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions-rs/audit-check@v1
+      # rustsec/audit-check used to do this automatically
+      - name: Generate Cargo.lock
+        run: cargo generate-lockfile
+      # https://github.com/rustsec/audit-check/issues/2
+      - uses: rustsec/audit-check@v2.0.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}