Auto merge of #77145 - pietroalbini:refactor-build-manifest-versions, r=Mark-Simulacrum

Refactor versions detection in build-manifest

This PR refactors how `build-manifest` handles versions, making the following changes:

* `build-manifest` now detects the "package releases" on its own, without relying on rustbuild providing them through CLI arguments. This drastically simplifies calling the tool outside of `x.py`, and will allow to ship the prebuilt tool in a tarball in the future, with the goal of stopping to invoke `x.py` during `promote-release`.
* The `tar` command is not used to extract the version and the git hash from tarballs anymore. The `flate2` and `tar` crates are used instead. This makes detecting those pieces of data way faster, as the archive is decompressed just once and we stop parsing the archive once all the information is retrieved.
* The code to extract the version and the git hash now stores all the collected data dynamically, without requiring to add new fields to the `Builder` struct every time.

I tested the changes locally and it should behave the same as before.

r? `@Mark-Simulacrum`

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