charts/gateway: Add resources Management for OTK job

[APIM-KiranVaddadi]

Description of the change

Kubernetes Resource Management support for OTK install job.

Benefits

Binds the OTK install job by resource limits and requests.

Drawbacks None

Applicable issues

• fixes #

Additional information

Checklist

• [x] Chart version bumped in Chart.yaml according to semver.
• [x] Variables are documented in the README.md
• [x] Title of the PR starts with chart name (e.g. [charts/gateway])
• [x] If the chart contains a values-production.yaml apart from values.yaml, ensure that you implement the changes in both files

[APIM-KiranVaddadi]

I wonder if we should model resources after our gateway values.yaml vs. productino-values.yaml files, where the values.yaml file does not specify resouces by default by the production-values.yaml file does?

Updated values file accordingly.