[DOCS] Fix example in changelog for UsableForConnectionInterface

As `canBeUsedForConnection()` is defined in the `UsableForConnectionInterface`, this interface must be implemented.
As it also extends the `\Doctrine\DBAL\Driver\Middleware` interface,
mentioning that interface can be omitted.

Resolves: #102784
Related: #102587
Releases: main
Change-Id: If59008fb5a75a9fe9a8b700868f6852056f0f3cf
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/82403


Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>