Update actions/checkout action to v4.3.1

Author: renovate[bot]

.github/workflows/audit.yml

@@ -12,7 +12,7 @@ jobs:
   audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
       - name: Audit
         run: cargo audit