[Debian-med-packaging] drop-seq is marked for autoremoval from testing

[Debian testing autoremoval watch]

drop-seq 2.3.0+dfsg-3 is marked for autoremoval from testing on 2020-08-04

It (build-)depends on packages with these RC bugs:
963396: jimfs: FTBFS: [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project jimfs: Compilation failure