Added SonarQube to the pipeline.

.gitlab-ci.yml

@@ -2,7 +2,7 @@
 stages:
   - tox
   - documentation
-
+  - sonarqube
 include:
   - docs/.gitlab-ci.yml
 
@@ -16,6 +16,7 @@ run-tox-pipeline:
   services:
     - postgres:15.4
 
+
   # Change pip's cache directory to be inside the project directory since we can
   # only cache local items.
   variables:
@@ -47,9 +48,8 @@ run-tox-pipeline:
     paths:
       - htmlcov
 
-  sonarqube-analysis:
-    image: sonarsource/sonar-scanner-cli
-    script:
-      - sonar-scanner
-    only:
-      - develop
+sonarqube:
+  stage: sonarqube
+  image: sonarsource/sonar-scanner-cli
+  script:
+    - sonar-scanner