fix: use correct variable names in GitLab-CI config

.gitlab-ci.yml

@@ -19,8 +19,8 @@ test-job:
     - "shell"
   script:
     # make sure that Ansible Vaults are present and can be decrypted
-    - echo "${VAULT_INSTALL_COMMON}" > ../lza_install_common.pass
-    - export ANSIBLE_VAULT_PASSWORD_FILE=../lza_install_common.pass
+    - echo "${VAULT_INGEST}" > ../lza_ingest.pass
+    - export ANSIBLE_VAULT_PASSWORD_FILE=../lza_ingest.pass
     - rm -rf ../ansible_vaults/
     - git clone https://gitlab+deploy-token-25:${VAULT_ACCESS_TOKEN}@git.slub-dresden.de/slub-referat-2-3/ansible_vaults.git ../ansible_vaults/; \
     # run Molecule tests