[EPIC] the work to release 0.8

[FANNG1]

Describe the proposal

the work to release 0.8

Task list

• [MINOR] add auto cherry pick to branch-0.8 #6089
• [MINOR] bump version to 0.9.0-incubating-snapshot #6094
• cut new branch-0.8
• publish new docker image, the docker version is the release version for gravitino and gravitino-iceberg-rest-server, 435-gravitino-$release_version for trino
  • gravitino https://hub.docker.com/r/apache/gravitino/tags
  • gravitino-iceberg-rest-server https://hub.docker.com/r/apache/gravitino-iceberg-rest/tags
  • gravitino-playground:trino https://hub.docker.com/r/apache/gravitino-playground
• publish document
  • gravitino-0.8.0-pydoc
  • gravitino-0.8.0-incubating-javadoc
• publish pip package
  • https://pypi.org/project/apache-gravitino/0.8.0rc1/
  • https://pypi.org/project/apache-gravitino/0.8.0/
• publish Gravitino package to apache repo
  • https://dist.apache.org/repos/dist/dev/incubator/gravitino/v0.8.0-incubating-rc1
  • https://dist.apache.org/repos/dist/release/incubator/gravitino/0.8.0-incubating/
• publish Gravitino package to maven
  • rc1: https://repository.apache.org/content/repositories/orgapachegravitino-1125/
  • transform the maven stage package to release package, click release in https://repository.apache.org/#stagingRepositories
• write release note
• add download link in website, Add 0.8.0 download link gravitino-site#38
• add write note in webset, https://github.com/apache/gravitino-site/pull/40/files

[FANNG1]

close the issue as 0.8 is released