Avoid too much I/O blocking when compiling URLs in
`HashProxy` by doing concurrent asynchronous fetch
requests with the GuzzleHttp client.

In addition, results of previously resolved URLs
are now stored in `assets` cache for one week.

Resolves: #100708
Releases: main
Change-Id: I362f81dccb0067f3691a1188878e6fea30af7100
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/78787


Tested-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>