Soroban: Add `extendTtl` Builtin Method #7063

Job	Run time
Repolinter	25s
Linux Arm	20m 14s
Docs	1m 28s
Container Image	11m 50s
Linux x86-64	41m 21s
Mac Arm	10m 46s
Mac Intel	1s
Stdlib	8s
Windows	29m 13s
Mac Universal Binary	0s
Anchor Integration test	0s
Solana Integration test	0s
Polkadot Integration test	0s
Polkadot Integration test with subxt	0s
Soroban Integration test	0s
Visual Code Extension	0s
Coverage report	0s
	1h 55m 26s

Provide feedback