Build/Test Tools: Bump baseline version to 7.0.0 for the performance workflow

[mukeshpanchal27]

Trac ticket: https://core.trac.wordpress.org/ticket/65289

The performance benchmarking workflow currently uses WordPress 6.8.0 as its baseline for comparison, as updated in changeset:60324.

With the successful launch of WordPress 7.0, the early 7.1 release cycle presents an excellent opportunity to update this baseline. Bumping the performance workflow baseline version to 7.0.0 will ensure that upcoming performance testing accurately measures regressions and improvements against the newest major milestone.

Current State & History

• Introduced: changeset:55459 set the initial baseline to 6.1.1.
• First Bump: changeset:59524 updated the baseline from 6.1.1 to 6.7.0.
• Second Bump: changeset:60324 updated the baseline from 6.7.0 to 6.8.0.

Use of AI Tools

No

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[github-actions]

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Props mukesh27.

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[desrosj]

Let's give it a try!

One thing worth noting is the value is currently back at 6.7.0 despite having been bumped to 6.8.0 at one point. This was reverted in r60326 because there were memory exhaustion issues at the time.

We'll just have to keep an eye on this going forward.

Since this should really happen every release, I've gone and added this to the Post Release checklist on the Releasing Major Versions page of the Core Handbook.

[github-actions]

A commit was made that fixes the Trac ticket referenced in the description of this pull request.

SVN changeset: 62402
GitHub commit: 7fc4547

This PR will be closed, but please confirm the accuracy of this and reopen if there is more work to be done.