making CI faster by ~1 min; (#359)

* making CI faster by ~1 min; cargo test does not need to run --release

* change (ci): return --release

.gitlab-ci.yml

@@ -167,6 +167,8 @@ fmt:
 examples-test:
   stage:                           examples
   <<:                              *docker-env
+  needs:
+    - clippy-std
   script:
     - for example in examples/*/; do
         cargo test --verbose --manifest-path ${example}/Cargo.toml;
@@ -183,6 +185,8 @@ examples-fmt:
 examples-clippy-std:
   stage:                           examples
   <<:                              *docker-env
+  needs:
+    - clippy-std
   script:
     - for example in examples/*/; do
         cargo clippy --verbose --manifest-path ${example}/Cargo.toml -- -D warnings;
@@ -210,6 +214,8 @@ examples-contract-build:
 examples-generate-metadata:
   stage:                           examples
   <<:                              *docker-env
+  needs:
+    - build-wasm
   script:
     - *update-cargo-contract
     - for example in examples/*/; do