Base image change in Adapter and Enforcer

[slahirucd7]

Purpose

Changes the base image in adapter and Enforcer. Due to this change,

• Macs with Apple silicon processors will be able to run IT tests without doing any changes to the adapter and enforcer.

Relevant links: Alpine Image adoptopenjdk Image

Issues

Fixes # https://github.com/wso2/product-microgateway/issues/3114

Automation tests

• Unit tests added: Yes/No
• Integration tests added: Yes/No

Tested environments

Not Tested

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Maintainers: Check before merge

• [x] Assigned 'Type' label
• [x] Assigned the project
• [x] Validated respective github issues
• [x] Assigned milestone to the github issue(s)