fix(ci): fix audit break due to toolchain (#1042)

#843 (comment)
@ZENOTME
Signed-off-by: xxchan <[email protected]>

Signed-off-by: xxchan <[email protected]>

Author: xxchan

.github/workflows/audit.yml

@@ -31,6 +31,7 @@ on:
     paths:
       - "**/Cargo.toml"
       - "**/Cargo.lock"
+      - ".github/workflows/audit.yml"
 
   schedule:
     - cron: '0 0 * * *'
@@ -40,6 +41,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Setup Rust toolchain
+        uses: ./.github/actions/setup-builder
+        with:
+          rust-version: stable
       - uses: rustsec/[email protected]
         with:
           token: ${{ secrets.GITHUB_TOKEN }}