3.1.0

• Enhancement: Bring back depth and paging to searchDIM (#509)
• Enhancement: Add Instance Number to search results (#584)
• Enhancement: Add creation time to running tasks (#511)
• Enhancement: Encode text files and server text responses in UTF-8 (#583)
• Enhancement: Change DICOM logging and deprecate XML log (#577)
• Enhancement: Update commons-collections4 to 4.4 (#561)
• Fix: Set key in dicoogle-slot element (#587)
• Chore: Improve CI Java Maven workflow (#588)