Update TOB.md

The election cycle for 2021 is complete and the existing TSC-elected members have agreed to serve another term. No additional nominations were received.

TOB.md

@@ -3,7 +3,7 @@
 ## Description: 
 > The TOB is responsible for managing conflicts, violations of procedures or guidelines or other issues that cannot be resolved in the TSC for the OAS. For further details please consult the OpenAPI Project Charter.
 
-## TSC Elected - terms through May 2021
+## TSC Elected - terms through May 2023
 Isabelle Mauny @isamauny
 
 Uri Sarid @usarid