debian/changelog: 0.2.1-2 pkg update
debian/changelog: 0.2.1-2 pkg update

This includes some changes that were missing in the original 0.2.1 pkg,
including release notes and the reported version on `$ zpm --version`.

zerovm/zerovm-cli,zerovm/zerovm-cli,zerovm/zpm,zerovm/zpm,zerovm/zpm,zerovm/zerovm-cli,zerovm/zpm,zerovm/zerovm-cli,zerovm/zerovm-cli,zerovm/zpm,zerovm/zpm,zerovm/zerovm-cli