Switch to docker compose v2 command (#55)

Per deprecation notice https://github.blog/changelog/2024-04-10-github-hosted-runner-images-deprecation-notice-docker-compose-v1/

Author: Morpheus636

.github/workflows/build.yaml

@@ -32,8 +32,8 @@ jobs:
 
  - name: Smoke test image
  run: |-
- docker-compose -f docker-compose.test.yml up -d wordpress
- docker-compose -f docker-compose.test.yml run sut
+ docker compose -f docker-compose.test.yml up -d wordpress
+ docker compose -f docker-compose.test.yml run sut
 
  - name: Run Trivy vulnerability scanner
  uses: aquasecurity/trivy-action@master