v0.7.0

This release has has incorrect .sums due to improper release process.
Nevertheless, the code is sound and contains a number of changes:

New "concurrentbatchprocessor" component under development (#71, #79, #90)
Update examples, add Docker build (#92)
Collector v0.88.0 dependency updates (#76)
Network statistics correctness (#70)
Zstd compression level is configurable (#81)
Instrumentation on schema changes (#77)
Compression rate degradation fix (#82)