Update DB migrator script to next branch 202505 (sonic-net#3664)

Update DB migrator script to next branch 202505

Author: kperumalbfn

scripts/db_migrator.py

@@ -59,7 +59,7 @@ def __init__(self, namespace, socket=None):
                      none-zero values.
               build: sequentially increase within a minor version domain.
         """
-        self.CURRENT_VERSION = 'version_202411_01'
+        self.CURRENT_VERSION = 'version_202505_01'
 
         self.TABLE_NAME      = 'VERSIONS'
         self.TABLE_KEY       = 'DATABASE'
@@ -1237,10 +1237,18 @@ def version_202405_01(self):
 
     def version_202411_01(self):
         """
-        Version 202411_01, this version should be the final version for
-        master branch until 202411 branch is created.
+        Version 202411_01.
         """
         log.log_info('Handling version_202411_01')
+        self.set_version('version_202505_01')
+        return 'version_202505_01'
+
+    def version_202505_01(self):
+        """
+        Version 202505_01, this version should be the final version for
+        master branch until 202505 branch is created.
+        """
+        log.log_info('Handling version_202505_01')
         return None
 
     def get_version(self):