[TASK] Use own php code cache in ext:dbal

Switch from using core cache "cache_phpcode" to
an own cache named "dbal_phpcode" in ext:dbal.

Change-Id: I71920dba95d2578f9662c5f736e18bbac3e5dcf5
Resolves: #77626
Releases: master
Reviewed-on: https://review.typo3.org/49583


Tested-by: Bamboo TYPO3com <info@typo3.com>
Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>