Changeset 56315 for trunk

Bundled Themes: Bump version numbers for WordPress 6.3.

In coordination with the release of 6.3, a new version of each bundled theme will also be released. This bumps the version of each theme to the following:

• Twenty Ten: 3.9
• Twenty Eleven: 4.4
• Twenty Twelve: 4.0
• Twenty Thirteen: 3.9
• Twenty Fourteen: 3.7
• Twenty Fifteen: 3.5
• Twenty Sixteen: 3.0
• Twenty Seventeen: 3.3
• Twenty Nineteen: 2.6
• Twenty Twenty: 2.3
• Twenty Twenty-One: 1.9
• Twenty Twenty-Two: 1.5
• Twenty Twenty-Three: 1.2

Props mukesh27, hareesh-pillai, audrasjb, jakariaistauk, kafleg, sabernhardt, spacedmonkey.
Fixes #57857.