FIX: use correct brnach for generator

.gitlab-ci.yml

@@ -25,7 +25,7 @@ before_script:
   - command -v bsdtar || apt-get -y install libarchive-tools
   - python3 -V  # Print out python version for debugging
   - python3 -m venv || apt-get -y install python3-venv
-  - if [[ "$CI_COMMIT_BRANCH" != "main" ]]; then sed -i "s%git+https://gitlab.kit.edu/scc-net/netvs/api-generator.git@master%git+https://gitlab.kit.edu/scc-net/netvs/api-generator.git@${CI_COMMIT_BRANCH}%g" pyproject.toml; fi
+  - if [[ "$CI_COMMIT_BRANCH" != "main" ]]; then sed -i "s%git+https://gitlab.kit.edu/scc-net/netvs/api-generator.git@main%git+https://gitlab.kit.edu/scc-net/netvs/api-generator.git@${CI_COMMIT_BRANCH}%g" pyproject.toml; fi
   - if [[ "$CI_COMMIT_BRANCH" == "devel" ]]; then export NETDB_ENDPOINT=${NETDB_DEVEL_ENDPOINT}; fi