Update to Docker Compose V2 (#79)

# Update to Docker Compose V2

## ♻️ Current situation & Problem
- Docker builds are failing in
StanfordBDHG/ENGAGE-HF-Web-Frontend#25 due to an
old `docker-compose` command.

## ⚙️ Release Notes 
- Updates the docker compose command to v2 using the docker command.

### Code of Conduct & Contributing Guidelines 

By submitting creating this pull request, you agree to follow our [Code
of
Conduct](https://github.com/StanfordBDHG/.github/blob/main/CODE_OF_CONDUCT.md)
and [Contributing
Guidelines](https://github.com/StanfordBDHG/.github/blob/main/CONTRIBUTING.md):
- [x] I agree to follow the [Code of
Conduct](https://github.com/StanfordBDHG/.github/blob/main/CODE_OF_CONDUCT.md)
and [Contributing
Guidelines](https://github.com/StanfordBDHG/.github/blob/main/CONTRIBUTING.md).

---------

Signed-off-by: Paul Schmiedmayer <[email protected]>

.github/workflows/docker-compose-test.yml

@@ -45,12 +45,12 @@ jobs:
         run: |
           echo "${{ secrets.ENV_FILE }}" > ${{ inputs.workingDirectory }}/.env
       - name: Docker compose up
-        run: docker-compose -f ${{ inputs.workingDirectory }}/${{ inputs.dockerComposeFile }} up -d --build
+        run: docker compose -f ${{ inputs.workingDirectory }}/${{ inputs.dockerComposeFile }} up -d --build
       - name: Run test script
         if: inputs.testscript != ''
         run: |
           sleep 5
           sh ${{ inputs.testscript }}
       - name: Docker compose down
         if: always()
-        run: docker-compose down
+        run: docker compose down