Bump to latest version (#221)

Author: pgherveou

.gitlab-ci.yml

@@ -33,7 +33,7 @@ variables:
       - artifacts/
 
 .docker-env:                       &docker-env
-  image:                           paritytech/ci-linux:production
+  image:                           paritytech/ci-unified:latest
   before_script:
     - cargo -vV
     - rustc -vV
@@ -90,6 +90,8 @@ build-mac:
   before_script:
     - unset CARGO_TARGET_DIR
   script:
+    - rustup component add rust-src
+    - rustup target add wasm32-unknown-unknown
     - time cargo build --release --target aarch64-apple-darwin
     - rustup target add x86_64-apple-darwin
     - time cargo build --release --target x86_64-apple-darwin