Bump dependencies. Tweak tests to respect dependency changes. Use pre…

…tties instead of solhint to fix formatting issues.

.prettierrc

@@ -25,5 +25,6 @@
                 "bracketSpacing": true
             }
         }
-    ]
+    ],
+    "plugins": ["prettier-plugin-solidity"]
 }

contracts/Vault.sol

@@ -7,18 +7,18 @@ import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol
 contract Vault {
     using SafeERC20 for IERC20;
 
-    IERC20 public immutable token;
+    IERC20 public token;
 
-    uint public totalSupply;
+    uint256 public totalSupply;
 
-    mapping(address => uint) public balanceOf;
+    mapping(address => uint256) public balanceOf;
 
     constructor(address token_) {
         token = IERC20(token_);
     }
 
-    function deposit(uint amount_) external {
-        uint shares;
+    function deposit(uint256 amount_) external {
+        uint256 shares;
 
         if (totalSupply == 0) {
             shares = amount_;
@@ -33,8 +33,9 @@ contract Vault {
         token.safeTransferFrom(msg.sender, address(this), amount_);
     }
 
-    function withdraw(uint shares_) external {
-        uint amount = (shares_ * token.balanceOf(address(this))) / totalSupply;
+    function withdraw(uint256 shares_) external {
+        uint256 amount = (shares_ * token.balanceOf(address(this))) /
+            totalSupply;
 
         totalSupply -= shares_;