fix(ci): switch from cargo-audit to cargo-deny for advisory scanning (#7032)

Signed-off-by: Adrian Cole <adrian@tetrate.io>

Author: codefromthecrypt

.github/workflows/cargo-audit.yml

@@ -0,0 +1,28 @@
+name: "Cargo Deny"
+on:
+  push:
+    paths:
+      # Run if workflow changes
+      - '.github/workflows/cargo-deny.yml'
+      # Run on changed dependencies
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+      # Run if the configuration file changes
+      - 'deny.toml'
+  # Rerun periodically to pick up new advisories
+  schedule:
+    - cron: '0 0 * * *'
+  # Run manually
+  workflow_dispatch:
+
+jobs:
+  deny:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@v4
+      # https://github.com/EmbarkStudios/cargo-deny-action v2.0.15
+      - uses: EmbarkStudios/cargo-deny-action@3fd3802e88374d3fe9159b834c7714ec57d6c979
+        with:
+          command: check advisories

.github/workflows/cargo-deny.yml

@@ -0,0 +1,6 @@
+[advisories]
+# Deny yanked crates to catch supply chain issues early.
+yanked = "deny"
+# Emulate cargo-audit which only checks vulnerabilities and yanked crates, not unmaintained/unsound.
+unmaintained = "none"
+unsound = "none"