Uplift for 91: renew telemetry probes for August

[eliserichards]

• For #20516: Renew product telemetry probes expiring in August #20517
• No issue: fix glean metrics tests for expired metrics #20621
• For #20519: renew perf telemetry probes (August expiry). #20623

Renewal issue: #20516
Doc for approvals from Product: https://docs.google.com/document/d/1NGlnTa9TPyTnd3ciUPbwujbITjkX8p8vJybXcZrrM2w/edit#

Pull Request checklist

• Tests: This PR includes thorough tests or an explanation of why it does not
• Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not
• Accessibility: The code in this PR follows accessibility best practices or does not include any user facing features. In addition, it includes a screenshot of a successful accessibility scan to ensure no new defects are added to the product.

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Codecov Report

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@@                 Coverage Diff                 @@
##             releases_v91.0.0   #20626   +/-   ##
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[lobontiumira]

Hi all,
I've verified the telemetry metrics were renewed. Added the new expiration date in this doc.

Thank you!