Read/write Brotli buffers/streams

Changes for 0.007 - 2023-10-26T20:35+03:00

• Release 0.006-TRIAL as production release
• New Maintainer TIMLEGGE
• Update included Brotli library to v1.1.0
• Installation now requires cmake version 3. Alien::cmake3 used if there is no system cmake
• Unreleased 0.004_002 changes