[guides] add information about prior-version-exclusive helper functions

Update taiki-e/install-action digest to de6bbd1 (#85)

Update taiki-e/create-gh-release-action digest to c5baa0b (#84)

Update Rust crate drift to 0.1.3 (#55)

[dropshot-api-manager] version 0.7.0

[dropshot-api-manager-types] version 0.7.0

[meta] prepare releases

Update dropshot to 0.17.0 (#83)

[integration-tests] assert on problem list (#82)

[meta] more minor cleanups (#81)

[meta] minor cleanups (#80)

[dropshot-api-manager] version 0.6.0

[dropshot-api-manager-types] version 0.6.0

[meta] update README and changelog

[dropshot-api-manager] add support for non-colocated jj repos (#78)