kaitai-struct-runtime-0.11-rc1

test-ks-runtime-0.11-rc1

CI: now testing if the not-yet-released 0.10 runtime can run

kaitai-struct-runtime 0.10 (testing before release)

test-ks-runtime-0.10

CI: use kaitai-io@build-for-java-7 as the 'new' ref again