do not use global gitlabRef for tomcat and thredds-docker

templates/thredds/thredds-docker-buildconfig.yaml

@@ -15,7 +15,7 @@ spec:
   source:
     git:
       uri: "https://codebase.helmholtz.cloud/hcdc/thredds/thredds-docker.git"
-      ref: {{ $.Values.global.buildSource.gitlabRef | default "latest" | quote }}
+      ref: {{ $.Values.global.buildSource.threddsDockerGitlabRef | default "latest" | quote }}
     contextDir: "."
   triggers:
     - imageChange: {}

templates/thredds/tomcat-docker-buildconfig.yaml

@@ -15,7 +15,7 @@ spec:
   source:
     git:
       uri: "https://codebase.helmholtz.cloud/hcdc/thredds/tomcat-docker.git"
-      ref: {{ $.Values.global.buildSource.gitlabRef | default "latest" | quote }}
+      ref: {{ $.Values.global.buildSource.tomcatDockerGitlabRef | default "latest" | quote }}
     contextDir: "."
   triggers:
       - imageChange: {}