feat: OSCR learn more link opens in a new tab now

[Mandeep56Singh]

Description

This PR adds feature to open readmore(option displayed on oscr score tooltip) page of OSCR in new tab

Related Tickets & Documents

Fixes #4001

Steps to QA

Tier (staff will fill in)

• [ ] Tier 1
• [ ] Tier 2
• [ ] Tier 3
• [ ] Tier 4

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