Create custom auto bumper

[KacperMalachowski]

Description

Custom bumper implementation that will automatically detect not only .yaml or .yml, but also terraform configs and github actions. image url's detection in files can be shared together with our image-detector tool to keep it simpler.

Reasons

Currently we're using bumper implementation from k8s team . It doesn't meet our requirement as it's created mainly for updating prow and kubernetes manifests.

Acceptance Criteria

• Custom way to bump images is created
• Solution supports both github.com and GitHub Enterprise Server
• Solution can be run inside github workflow, but can be tested locally as well

Attachments
See current image urls detection: https://github.com/kyma-project/test-infra/tree/main/pkg/extractimageurls
See current bumper implementation: https://github.com/kyma-project/test-infra/tree/main/pkg/github/bumper