v0.13.0

New release of steward-core controller images & helm chart.

Here you find the changelog.

• Run controller image: stewardci/stewardci-run-controller:0.13.0
• Tenant controller image: stewardci/stewardci-tenant-controller:0.13.0
• Helm chart: 0.13.0

List of closed pull-requests since last release
#247: Merge release 0.12.1 into master
#248: [CLOUDCIFEAT1-130] Avoid non atomic updates
#249: Adjust integration test to retry for pipeline clone
#250: Fix deletion problem

Changes
v0.12.1...v0.13.0