Use setup-rust/audit action for Rust audit jobs

See:

- artichoke/setup-rust#17

Author: lopopolo

github-org-artichoke/templates/audit-workflow-node-ruby-rust.yaml

@@ -58,27 +58,12 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Install Rust toolchain
-        run: |
-          echo "::group::rustup toolchain install"
-          rustup toolchain install stable --profile minimal
-          echo "::endgroup::"
-          echo "::group::set default toolchain"
-          rustup default stable
-          echo "::endgroup::"
-          echo "::group::rustup version"
-          rustup -Vv
-          echo "::endgroup::"
-          echo "::group::rustc version"
-          rustc -Vv
-          echo "::endgroup::"
-          echo "::group::cargo version"
-          cargo version --verbose
-          echo "::endgroup::"
+        uses: artichoke/setup-rust/audit@v1
 
       - name: Generate Cargo.lock
         run: |
           if [[ ! -f "Cargo.lock" ]]; then
-            cargo +stable generate-lockfile --verbose
+            cargo generate-lockfile --verbose
           fi
 
       - uses: EmbarkStudios/cargo-deny-action@v1

github-org-artichoke/templates/audit-workflow-ruby-rust.yaml

@@ -44,27 +44,12 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Install Rust toolchain
-        run: |
-          echo "::group::rustup toolchain install"
-          rustup toolchain install stable --profile minimal
-          echo "::endgroup::"
-          echo "::group::set default toolchain"
-          rustup default stable
-          echo "::endgroup::"
-          echo "::group::rustup version"
-          rustup -Vv
-          echo "::endgroup::"
-          echo "::group::rustc version"
-          rustc -Vv
-          echo "::endgroup::"
-          echo "::group::cargo version"
-          cargo version --verbose
-          echo "::endgroup::"
+        uses: artichoke/setup-rust/audit@v1
 
       - name: Generate Cargo.lock
         run: |
           if [[ ! -f "Cargo.lock" ]]; then
-            cargo +stable generate-lockfile --verbose
+            cargo generate-lockfile --verbose
           fi
 
       - uses: EmbarkStudios/cargo-deny-action@v1