ds/bundle-uri-5 (was: Re: What's cooking in git.git (Feb 2023, #01; Thu, 2))

> * ds/bundle-uri-5 (2023-01-31) 11 commits
>  - bundle-uri: test missing bundles with heuristic
>  - bundle-uri: store fetch.bundleCreationToken
>  - fetch: fetch from an external bundle URI
>  - bundle-uri: drop bundle.flag from design doc
>  - clone: set fetch.bundleURI if appropriate
>  - bundle-uri: download in creationToken order
>  - bundle-uri: parse bundle.<id>.creationToken values
>  - bundle-uri: parse bundle.heuristic=creationToken
>  - t5558: add tests for creationToken heuristic
>  - bundle: verify using check_connected()
>  - bundle: test unbundling with incomplete history
> 
>  The bundle-URI subsystem adds support for creation-token heuristics
>  to help incremental fetches.
> 
>  Will merge to 'next'?
>  source: <pull.1454.v3.git.1675171759.gitgitgadget@gmail.com>