chore(csp): enable LinkedIn Advertising script

[proeung]

Issue

Fixes - https://jira.sdlc.merative.com/browse/MERATIVE-864

Description

Changed

• This PR updates both CSPs on Franklin to allow for *.licdn.com to enable LinkedIn advertising insights.

Design Specs

• Figma Link - N/A

Test URLs

• Before (Changes from main): https://main--merative2--hlxsites.hlx.page/
• After (Changes from this PR): https://chore-864-csp--merative2--proeung.hlx.page

Testing Instruction

• Visit this deploy preview URL (https://chore-864-csp--merative2--proeung.hlx.page)
• Ensure that there's no CSP error in the console

[aem-code-sync[bot]]

Hello, I'm Franklin Bot and I will run some test suites that validate the page speed. In case there are problems, just click the checkbox below to rerun the respective action.

• [ ] Re-run PSI Checks

[aem-code-sync[bot]]

Page	Scores	Audits	Google
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[aem-code-sync[bot]]

Page	Scores	Audits	Google
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[scottbridgeman]

@proeung - looks great. Thank you

[aem-code-sync[bot]]

Page	Scores	Audits	Google
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