do builds in parallel with matrix

Merge pull request #20 from ddvk/parse_schema4

should fix #19 parse schema v4 index files

Merge pull request #8 from noamross/patch-1

Change URL for one-time code

- set metadata size after modifification (move/rename)

- build container

remove http2

changelog

upgrade actions

Merge pull request juruen#290 from ddvk/fixsync

fix: capture loop variable, should fix juruen#285

Release 0.0.24

Merge pull request juruen#280 from ddvk/sync15concurrency

sync15: use parallel requests when getting remote tree