Add temporary change in comment of Bank contract to test the workflow

The change needs to be reverted before merge to `main`. It's only added to test
pushing of PRs with API docs after changes in contracts.

solidity/contracts/bank/Bank.sol

@@ -20,12 +20,12 @@ import "@openzeppelin/contracts/access/Ownable.sol";
 import "./IReceiveBalanceApproval.sol";
 import "../vault/IVault.sol";
 
-/// @title Bitcoin Bank TEST
+/// @title Bitcoin Bank
 /// @notice Bank is a central component tracking Bitcoin balances. Balances can
 /// be transferred between balance owners, and balance owners can
 /// approve their balances to be spent by others. Balances in the Bank
 /// are updated for depositors who deposited their Bitcoin into the
-/// Bridge and only the Bridge can increase balances.
+/// Bridge and only the Bridge can increase balances. TEST
 /// @dev Bank is a governable contract and the Governance can upgrade the Bridge
 /// address.
 contract Bank is Ownable {