ci: remove Cargo.lock from audit workflow

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

.github/workflows/audit.yml

@@ -4,15 +4,13 @@ on:
   pull_request:
     paths:
       - '**/Cargo.toml'
-      - '**/Cargo.lock'
       - '**.yml'
   schedule:
     # Runs at 00:00 UTC everyday
     - cron: "0 0 * * *"
   push:
     paths:
       - '**/Cargo.toml'
-      - '**/Cargo.lock'
       - '**.yml'
   merge_group:
     types: [checks_requested]