Add analyze stage and workflow rules to prevent duplicate pipelines

.gitlab-ci.yml

@@ -7,12 +7,20 @@ variables:
 # renovate: datasource=gitlab-tags depName=esv/bsf/pypi/prosper versioning=semver registryUrl=https://gitlab.global.bsf.tools
   PROSPER_VERSION: v0.64.1
 
+# Prevent duplicate pipelines for MRs
+workflow:
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+      when: never
+    - when: always
+
 # Define stages - extends Prosper's stages with our custom ones
 stages:
   - .pre
   - lint
   - build
   - test
+  - analyze
   - deploy
 
 kics: