feat: update ghcr.repo.gpkg.io/glueops/backup-tools to v2.8.0 #minor

Author: public-glueops-renovatebot[bot]

values.yaml

@@ -274,7 +274,7 @@ container_images:
       image:
         registry: ghcr.repo.gpkg.io
         repository: glueops/backup-tools
-        tag: v2.7.0@sha256:64e194438f3d056b4a658978be30cd06dce2d37e8df65db611b65aad0e7c3231
+        tag: v2.8.0@sha256:8eff38854156e1cac4ad79e7eaabcfc204c59bb2cc647100c6d632eba1799bb7
     certs_backup_restore:
       image:
         registry: ghcr.repo.gpkg.io