Merge pull request #160086 from spilchen/blathers/backport-release-25.4-159354

release-25.4: lease: bump lease generation synchronously for system privilege tables

Author: rafiss

pkg/sql/catalog/lease/lease.go

@@ -1119,6 +1119,11 @@ func (m *Manager) acquireNodeLease(
 				if err != nil {
 					return false, err
 				}
+				// Descriptor versions for these tables participate directly in memo
+				// staleness checks. Bump the lease generation now so queries that
+				// rely on the new privileges/options are forced to replan immediately
+				// instead of waiting for the asynchronous lease update.
+				m.leaseGeneration.Add(1)
 
 				desc, err = doAcquisition()
 				if err != nil {