Update master for 7.0.0 release

[UdeshAthukorala]

Purpose

This PR updates the master branch for wso2is-7.0.0 release

[bhagyasakalanka]

Lets not remove these lines as this section is used to allow copying zip files to docker context

[bhagyasakalanka]

Check other places and update based on the decision we take

[bhagyasakalanka]

@SujanSanjula96 did we decide to remove wget from master? And to allow only copying?

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
12 out of 13 committers have signed the CLA.

✅ Sachin-Mamoru
✅ Yoshani
✅ ImalshaG
✅ lashinijay
✅ bhagyasakalanka
✅ madurangasiriwardena
✅ piraveena
✅ UdeshAthukorala
✅ ThaminduR
✅ dhaura
✅ ZiyamSanthosh
✅ AnjanaSamindraPerera
❌ ashensw
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