chore(ci): introduce a dry-run release preparation step

.gitlab-ci.yml

 stages:
   - test
-  - prepare
+  - release-test
+  - release-prepare
   - docker
   - release
 
@@ -25,8 +26,8 @@ test:
       - test-results/
     expire_in: 1 week
 
-prepare:
-  stage: prepare
+release-test:
+  stage: release-test
   image: node:alpine
   before_script:
     - apk add --no-cache git openssh openssl
@@ -46,6 +47,13 @@ prepare:
     - if: $CI_COMMIT_BRANCH =~ /^([0-9]+-release|release)-v.*/
   needs: ["test"]
 
+release-prepare:
+  stage: release-prepare
+  extends:
+    - release-test
+  script:
+    - npx release-it --ci --no-npm
+
 docker:
   stage: docker
   image: