[Charts/gateway and Charts/gateway-otk] Bumping the versions to merge the develop/portal to stable

[ksaladi]

Description of the change

• This version upgrade is to get out of the lint errors that are based out of CT tool tied for this repository.
• Script that fails the CT job is apim-charts/.github/version-check.sh

Benefits

Drawbacks

Applicable issues

• fixes #

Additional information

Checklist

• [x] Chart version bumped in Chart.yaml according to semver.
• [] 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