add dependabot config script

[davidspek]

Inspired by kubeflow/pipelines#4682 I created a script that will create a config file for depandabot so that it knows what directories to scan. It will scan the repository for files named *ockerfile*, package*.json, *requirements.txt and go.*. It is setup for dockerfiles, npm packages, pip dependencies and gomod at the moment. It is trivial to further customize what folders are selected if further customization is needed. It also parses the closest OWNERS file for a given dependency listing file, and assigns the relevant approvers and adds the relevant reviewers to the PRs it creates.

This is a sibling PR to kubeflow/pipelines#5015, kubeflow/kubeflow#5542, kserve/kserve#1309, kubeflow/arena#403, kubeflow/testing#855, kubeflow/fairing#550, kubeflow/kfp-tekton#432, kubeflow/katib#1420, kubeflow/training-operator#1224, kubeflow/kfp-tekton-backend#28, kubeflow/mpi-operator#319, kubeflow/pytorch-operator#315, kubeflow/metadata#255, kubeflow/xgboost-operator#107, kubeflow/fate-operator#26, kubeflow/mxnet-operator#87, kubeflow/website#2459, kubeflow/kfctl#479, kubeflow/examples#843 and kubeflow/code-intelligence#198.

As it stands now, there are no PRs that will be created with this configuration.

For reference, the PRs that will be created can be found here: https://github.com/DavidSpek/gcp-blueprints/pulls

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: DavidSpek
To complete the pull request process, please assign bobgy after the PR has been reviewed.
You can assign the PR to them by writing /assign @bobgy in a comment when ready.

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[k8s-ci-robot]

@davidspek: The following test failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
kubeflow-gcp-blueprints-presubmit	61ed40c	link	/test kubeflow-gcp-blueprints-presubmit

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[davidspek]

/assign @Bobgy

[davidspek]

I am holding the PR to have some control over when it gets merged so that the optional test infra doesn't get overloaded if all the repo's were to merge this at the same time.
/hold

[Bobgy]

Closing, because this repo doesn't have much to upgrade.
Later maybe we'll consider renovate