FOSSA scan support

FOSSA scan is triggered manually currently. It will be part of PR check in the future.

How to trigger scan manually

Use job https://checklist.intgdc.com/job/space/job/fossa-repository-scanning-tool with the following parameters:

• REPOSITORIES: gooddata-python-sdk
• GITHUB_USER: gooddata
• BRANCH: latest
• DOCKER_IMAGE: harbor.intgdc.com/tools/gdc-fossa-cli:latest
• SCAN_CMD: analyze