[DEX-2416] Add GitLab release tracking

Author: Marvin Strangfeld

Diff for: .gitlab-ci.yml

@@ -6,6 +6,7 @@ include:
   - project: 'deepl/ops/ci-cd-infrastructure/gitlab-ci-lib'
     file:
       - '/templates/.secret-detection.yml'
+      - '/templates/.gitlab-release.yml'
   - template: Security/SAST.gitlab-ci.yml
 
 # Global --------------------------
@@ -167,3 +168,9 @@ nuget upload:
   script:
     - dotnet nuget push package/Release/DeepL.net.*.nupkg --api-key $NUGET_API_KEY
       --source https://api.nuget.org/v3/index.json --timeout 30
+
+gitlab release:
+  stage: publish
+  extends: .create_gitlab_release
+  rules:
+    - if: '$CI_COMMIT_TAG =~ /^v[0-9]+\.[0-9]+\.[0-9]+$/'