[TASK] bamboo-specs: Upgrade to 6.1

The 6.0 to 6.1 upgrade allows us to specifiy last missing
pieces via bamboo specs: mostly job cleanups, plugin
configuration and plan permissions.

Change-Id: If26aeb45b1109ba9797f3807087201033ea1f368
Resolves: #82679
Releases: master, 8.7, 7.6
Reviewed-on: https://review.typo3.org/54294


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>