Merge branch 'deps-scan' into 'develop'

GitLab CI: enable dependency scanning

See merge request soapbox-pub/soapbox!2054

.gitlab-ci.yml

@@ -168,4 +168,7 @@ docker:
   only:
     refs:
       - develop
-  interruptible: true
+  interruptible: true
+
+include:
+  - template: Jobs/Dependency-Scanning.gitlab-ci.yml