1. Proposed title of this feature request
`lastTransactionTime` must be present in the ConfigMap yaml file

2. What is the nature and description of the request?
After creating a ConfigMap object, a user can check the `creationTimestamp` inside yaml file.
After making any changes in the ConfigMap, a user should check the `lastTransactionTime` in the same ConfigMap yaml.

3. Why does the customer need this? (List the business requirements here)
Due to some incorrect changes in the ConfigMap, there might be issues with the deployment. User should know, when the changes were made in the CinfigMap.
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Due to incorrect configmap changes the customer deployment went into crashloopbackoff error. While debugging the issue, customer wanted to know when the changes were made in the configmap.
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4. List any affected packages or components.
ConfigMap