feature: default docker scout to 1.19.0 in the sbt job

[andrzej-janczak]

Problem: scout 0.13.1 cannot re-read the blobs it writes to /tmp/docker-scout on the
Docker engine in ubuntu-2004:2024.08.1, so the scan step fails after a successful build.
The machine image moved at 12.1.4; the scout default never moved across 14 releases.

Fix: default docker_scout_version to 1.19.0 in the sbt job. Five repos already run
1.19.0 on that image, so it is the version with the most evidence.

Unblocks OD-560. 13 repos ride the stale default and 12 of them are pinned below 12.1.4,
so bumping them without this would break them rather than fix them.

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

AI Reviewer: first review requested successfully. AI can make mistakes. Always validate suggestions.

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[codacy-production]

Pull Request Overview

This PR updates the default docker_scout_version to 1.19.0 to resolve cache compatibility issues on newer Ubuntu machine images. While the functional change is correct and Codacy reports the PR is up to standards, there is a gap in the acceptance criteria: the update lacks an inline comment explaining the rationale for the change. This documentation is necessary to explain the dependency on the 2024.08 machine image for future maintainers.

Test suggestions

• Verify that the SBT job successfully installs and runs docker-scout version 1.19.0 when the parameter is not explicitly provided.

Prompt proposal for missing tests

Consider implementing these tests if applicable:
1. Verify that the SBT job successfully installs and runs docker-scout version 1.19.0 when the parameter is not explicitly provided.

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