[PLAT-14459] Swagger fix

Summary: https://phorge.dev.yugabyte.com/D37640 added new runtime config flags but broke the unit tests with swagger. This adds them to markdown file.

Test Plan: sbt swaggerGen

Reviewers: vbansal

Reviewed By: vbansal

Subscribers: yugaware

Differential Revision: https://phorge.dev.yugabyte.com/D38274

managed/RUNTIME-FLAGS.md

@@ -137,6 +137,7 @@
 | "Enable DB Audit Logging" | "yb.universe.audit_logging_enabled" | "GLOBAL" | "If this flag is enabled, user will be able to create telemetry providers and enable/disable DB audit logging on universes." | "Boolean" |
 | "Enable Per Process Metrics" | "yb.ui.feature_flags.enable_per_process_metrics" | "GLOBAL" | "Enable Per Process Metrics" | "Boolean" |
 | "Support bundle prometheus dump range" | "yb.support_bundle.default_prom_dump_range" | "GLOBAL" | "The start-end duration to collect the prometheus dump inside the support bundle (in minutes)" | "Integer" |
+| "Number of cloud YBA backups to retain" | "yb.auto_yba_backups.num_cloud_retention" | "GLOBAL" | "When continuous backups feature is enabled only the most recent n backups will be retained in the storage bucket" | "Integer" |
 | "Clock Skew" | "yb.alert.max_clock_skew_ms" | "UNIVERSE" | "Default threshold for Clock Skew alert" | "Duration" |
 | "Health Log Output" | "yb.health.logOutput" | "UNIVERSE" | "It determines whether to log the output of the node health check script to the console" | "Boolean" |
 | "Node Checkout Time" | "yb.health.nodeCheckTimeoutSec" | "UNIVERSE" | "The timeout (in seconds) for node check operation as part of universe health check" | "Integer" |