Update master for 7.0.0 release

Purpose

This PR updates the master branch for wso2is-7.0.0 release

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15 out of 16 committers have signed the CLA.

:white_check_mark: Sachin-Mamoru
:white_check_mark: bhagyasakalanka
:white_check_mark: madurangasiriwardena
:white_check_mark: ImalshaG
:white_check_mark: Yoshani
:white_check_mark: ThaminduR
:white_check_mark: piraveena
:white_check_mark: dhaura
:white_check_mark: AnjanaSamindraPerera
:white_check_mark: UdeshAthukorala
:white_check_mark: ZiyamSanthosh
:white_check_mark: lashinijay
:white_check_mark: shanggeeth
:white_check_mark: SujanSanjula96
:white_check_mark: HasiniSama
:x: ashensw
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