ref: update feature solidity pragma to 0.8.17

Author: snake-poison

contracts/interfaces/IAmmAdapter.sol

@@ -15,7 +15,7 @@
 
     SPDX-License-Identifier: Apache-2.0
 */
-pragma solidity 0.6.10;
+pragma solidity >=0.6.10 < 0.9;
 
 
 /**

contracts/interfaces/external/IArrakisVaultV1.sol

@@ -12,7 +12,7 @@
     SPDX-License-Identifier: Apache-2.0
 */
 
-pragma solidity 0.6.10;
+pragma solidity >=0.6.10 < 0.9;
 
 
 import {

contracts/protocol/integration/amm/ArrakisUniswapV3AmmAdapter.sol

@@ -16,7 +16,7 @@
     SPDX-License-Identifier: Apache-2.0
 */
 
-pragma solidity 0.6.10;
+pragma solidity 0.8.17;
 
 import "@uniswap/v3-core/contracts/interfaces/IUniswapV3Pool.sol";
 import "@uniswap/v3-core/contracts/interfaces/IUniswapV3Factory.sol";