charts/gateway update to Gateway image to v11.0.00_CR2 [DO NOT MERGE]

[Gazza7205]

Description of the change Update the Gateway image to v11.0.00_CR2

Benefits Take advantage of the latest container gateway release

Drawbacks

• A Gateway restart will be required
• The new base image may not work with some custom scripts

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