Add checks for deprecated constants
Like in #33 (closed) for functions / methods and #41 (closed) for classes, we also have to check usage of deprecated constants:
- https://docs.typo3.org/typo3cms/extensions/core/Changelog/7.0/Breaking-61459-RemovalTslib.html
- https://docs.typo3.org/typo3cms/extensions/core/Changelog/7.0/Breaking-61859-FileTypeSoftwareRemoved.html
- https://docs.typo3.org/typo3cms/extensions/core/Changelog/7.0/Breaking-62416-DeprecatedCodeRemovalInCoreSysext.html#packagemanager
- https://docs.typo3.org/typo3cms/extensions/core/Changelog/7.4/Breaking-67987-RemovedEntryScriptHandling.html
- https://docs.typo3.org/typo3cms/extensions/core/Changelog/7.5/Breaking-68814-RemoveOfBaseConstantTYPO3_URL_ORG.html
- https://docs.typo3.org/typo3cms/extensions/core/Changelog/7.6/Breaking-69227-StringsForLikeAreNotProperlyEscaped.html