Add variable to toggle Gitlab job retries

[RouganStriker]

• Bump sorry-cypress to 2.4.2
• Add ENV variable to toggle Gitlab job retries feature

Checklist:

• [x] I have increased the chart version.
• [x] I have updated the chart readme.
• [x] I have updated the chart changelog.
• [] I have written CI tests for my change.

[RouganStriker]

@tico24 could you enable CI workflows for this PR? Also I wasn't sure if this change needed a corresponding test, please advise otherwise.