fix: use semantic-release 7.34.6 as 8.0 introduced changes breaking the release process

.gitlab-ci.yml

@@ -79,7 +79,7 @@ release:
     REPOSITORY_USERNAME: __token__
     REPOSITORY_PASSWORD: ${PYPI_ORG_UPLOAD_TOKEN}
   before_script:
-    - pip install python-semantic-release
+    - pip install python-semantic-release==7.34.6
   script:
     - semantic-release publish -D commit_author="${GL_USER} <${GL_USER}@noreply.gitlab.gwdg.de>"
   rules: