Revert "Revert "ci: add an final step that upload build logs" (#26748)"
Created by: bobheadxi
This reverts commit 7cc2b4764feb930f2871f3f23946490c95995bd1, and fixes it (https://github.com/sourcegraph/sourcegraph/pull/26259), to close https://github.com/sourcegraph/sourcegraph/issues/25562