MWPW-182116 Added GH pipeline for cache invalidation

[nkthakur48]

• Adds the workflows to clear cache on lower envs

Resolves: MWPW-182116

Test URLs:

• Before: https://main--cc--adobecom.aem.live/?martech=off
• After: https://gh-pipeline-cache--cc--adobecom.aem.live/?martech=off

Note that I have already added "EDGERC" under Repo Secrets

Also the CP codes which have been added correspond to below labels in Akamai:

• Prod - www.adobe.com/Milo-CC
• Stage - www.stage.adobe.com/Milo-CC

[aem-code-sync]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed.
In case there are problems, just click a checkbox below to rerun the respective action.

• Re-run PSI checks
• Re-sync branch

Commits

• 696aaef ✅ (latest)
• 8dcdd23 ✅

[aem-code-sync]

	Page	Scores	Audits	Google
📱	/?martech=off
🖥️	/?martech=off

[milo-pr-merge-cc]

Skipped merging 831: MWPW-182116 Added GH pipeline for cache invalidation due to missing verified label. kindly make sure that the PR has been verified