[Automation] Create PR to update sec-scanners-config.yaml

[barchw]

Description

Create a scheduled, weekly job, that will update the image version in sec-scanners-config.yaml. PR should be added to team's GH Project to sprint and to review column.

Some script already exists, but does not create a PR:

• https://github.com/kyma-project/istio/blob/main/.github/workflows/update-sec-scanner.yaml

Reasons

• Automation of manual task

Contact(s): PO; ...

Pre-reqs:

• ci: store image artifacts in separate paths #1234

ToDos [Developer]

• Check with kyma-security if we actually can create an automated PR (we can use some goat bot like @kyma-gopher-bot)
• Use Github service account creator tool to create this account
• Update Slack notification in #goat-int

PRs

• feat: add update-sec-scanner.yaml workflow #1504

ACs [PO]

• PR to update sec scan config is created once a week
• PR is added to a sprint and review column

Attachments

• ci: store image artifacts in separate paths #1234

Follow-up Issues

• ...