fix: use correct Vault pass variable in GitLab-CI config

.gitlab-ci.yml

@@ -22,8 +22,8 @@ test-job:
     - "shell"
   script:
     # make sure that Ansible Vaults are present and can be decrypted
-    - echo "${VAULT_INSTALL_COMMON}" > ../lza_install_common.pass
-    - export ANSIBLE_VAULT_IDENTITY_LIST="../lza_install_common.pass, ../passfile2"
+    - echo "${VAULT_SANITYTEST}" > ../lza_sanitytest.pass
+    - export ANSIBLE_VAULT_IDENTITY_LIST="../lza_sanitytest.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