* set WASM_BUILD_WORKSPACE_HINT

this enables wasm-builder to find the Cargo.lock from within generated packages

* wip: try out https://github.com/paritytech/pipeline-scripts/pull/90

* wip: fixup

* wip

* revert ci skip

* set up WASM_BUILD_WORKSPACE_HINT for .kubernetes-env as well

* Update scripts/ci/gitlab/pipeline/publish.yml

Co-authored-by: Alexander Samusev <41779041+alvicsam@users.noreply.github.com>

Co-authored-by: Alexander Samusev <41779041+alvicsam@users.noreply.github.com>