ci: cache build artifacts for faster builds (#7730)

* ci: cache build artifacts for faster builds

* test build

* compression

* fix macos-latest

* debug build

* better caching

* test cache

* update build

* test cache

* ci: check toolchain restore

* ci: remove Windows toolchain cache

* ci: skip tests on macOS Intel

---------

Co-authored-by: Evgeny @ SimpleX Chat <259188159+evgeny-simplex@users.noreply.github.com>

tests/ChatTests/Groups.hs

@@ -6306,6 +6306,8 @@ testGroupHistoryGroupLink =
       bob #> "#team hey!"
       alice <# "#team bob> hey!"
 
+      threadDelay 1000000
+
       alice ##> "/create link #team"
       gLink <- getGroupLink alice "team" GRMember True