Update license check script and actions CI (#32)

Author: nkzou

Diff for: .github/workflows/test.yml

@@ -71,7 +71,7 @@ jobs:
   test:
     strategy:
       matrix:
-        rust-version: ["stable"]
+        rust-version: ["1.76.0"]
         platform: [ubuntu-latest]
     runs-on: ${{ matrix.platform }}
     if: (github.event.pull_request.draft == false && !contains(github.event.pull_request.labels.*.name, 'ci/skip') && !contains(github.event.pull_request.head.ref, 'datadog-api-spec/test/')) || github.event_name == 'schedule'

Diff for: scripts/license-check.sh

@@ -1,7 +1,3 @@
 cargo install --quiet dd-rust-license-tool
-cargo fetch --target aarch64-apple-darwin
+cargo update
 dd-rust-license-tool check
-if [ $? -ne 0 ]; then
-  echo "Run 'dd-rust-license-tool write' to regenerate license csv file."
-fi
-exit 0