fix(backstage): add volume for extension catalog entities [RHIDP-11293]#293

rm3l wants to merge 8 commits intoredhat-developer:mainredhat-developer/rhdh-chart:mainfrom

rm3l:rhidp-11293-helm-chart-add-a-new-marketplace-volume-into-the-rhdh-pod-and-set-catalog-entities-extraction-dir-to-itrm3l/rhdh-chart:rhidp-11293-helm-chart-add-a-new-marketplace-volume-into-the-rhdh-pod-and-set-catalog-entities-extraction-dir-to-itCopy head branch name to clipboard