release v0.9.0

Signed-off-by: Zhou Hao <[email protected]>

release v0.8.0

According to the plan in ROADMAP, we have implemented the verification of the remaining specerror, so we are ready to release version 0.8 as planned.

Signed-off-by: Zhou Hao <[email protected]>

release v0.7.0

Signed-off-by: Zhou Hao <[email protected]>

release v0.6.0

Signed-off-by: Zhou Hao <[email protected]>

release v0.5.0

Signed-off-by: Zhou Hao <[email protected]>

release v0.4.0

Signed-off-by: Zhou Hao <[email protected]>

Merge pull request opencontainers#503 from liangchenye/release

release v0.3.0

Merge pull request opencontainers#483 from Mashimiao/release-v0.2.0

release: v0.2.0

release: v0.1.0

Signed-off-by: Ma Shimiao <[email protected]>