Resolve "Bug prevents volume computation when data length column in Metadata DB is null"

Closes #462

.gitlab-ci.yml

@@ -4,8 +4,8 @@ variables:
   TESTCONTAINERS_RYUK_DISABLED: "false"
   PYTHON_VERSION: "3.11"
   DOC_VERSION: "1.5"
-  APP_VERSION: "1.5.1"
-  CHART_VERSION: "1.5.1"
+  APP_VERSION: "1.5.0"
+  CHART_VERSION: "1.5.0"
   CACHE_FALLBACK_KEY: ${CI_DEFAULT_BRANCH}
   # This will supress any download for dependencies and plugins or upload messages which would clutter the console log.
   # `showDateTime` will show the passed time in milliseconds. You need to specify `--batch-mode` to make this work.