Changes for DB migration to release 202511 (#4130)

What I did
Changes for DB migration to release 202511

How I did it
Updated scripts/db_migrator.py

Author: vmittal-msft

scripts/db_migrator.py

@@ -58,7 +58,7 @@ def __init__(self, namespace, socket=None):
                      none-zero values.
               build: sequentially increase within a minor version domain.
         """
-        self.CURRENT_VERSION = 'version_202505_01'
+        self.CURRENT_VERSION = 'version_202511_01'
 
         self.TABLE_NAME      = 'VERSIONS'
         self.TABLE_KEY       = 'DATABASE'
@@ -1308,11 +1308,19 @@ def version_202411_02(self):
 
     def version_202505_01(self):
         """
-        Version 202505_01, this version should be the final version for
-        master branch until 202505 branch is created.
+        Version 202505_01
         """
         log.log_info('Handling version_202505_01')
         self.migrate_flex_counter_delay_status_removal()
+        self.set_version('version_202511_01')
+        return 'version_202511_01'
+
+    def version_202511_01(self):
+        """
+        Version 202511_01, this version should be the final version for
+        master branch until 202605 branch is created.
+        """
+        log.log_info('Handling version_202511_01')
         return None
 
     def get_version(self):

tests/db_migrator_test.py

@@ -90,6 +90,11 @@ def setup_class(cls):
                                   {'v1': 'version_202311_01', 'v2': 'version_202305_01', 'result': True},
                                   {'v1': 'version_202405_01', 'v2': 'version_202411_02', 'result': False},
                                   {'v1': 'version_202411_02', 'v2': 'version_202405_01', 'result': True},
+                                  {'v1': 'version_202411_02', 'v2': 'version_202505_01', 'result': False},
+                                  {'v1': 'version_202505_01', 'v2': 'version_202411_02', 'result': True},
+                                  {'v1': 'version_202505_01', 'v2': 'version_202511_01', 'result': False},
+                                  {'v1': 'version_202511_01', 'v2': 'version_202505_01', 'result': True},
+                                  {'v1': 'version_202511_01', 'v2': 'version_master_01', 'result': False},
                                   {'v1': 'version_202411_02', 'v2': 'version_master_01', 'result': False},
                                   {'v1': 'version_202311_01', 'v2': 'version_master_01', 'result': False},
                                   {'v1': 'version_master_01', 'v2': 'version_202311_01', 'result': True},