chore: make POCBase usable with ^0.8.0

.gitignore

@@ -1,6 +1,5 @@
 # Compiler files
 cache/
-out/
 
 # Ignores development broadcast logs
 !/broadcast

src/contracts/common/Registry.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BUSL-1.1
-pragma solidity 0.8.25;
+pragma solidity ^0.8.25;
 
 import {IRegistry} from "../../interfaces/common/IRegistry.sol";
 

src/contracts/common/StaticDelegateCallable.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BUSL-1.1
-pragma solidity 0.8.25;
+pragma solidity ^0.8.25;
 
 import {IStaticDelegateCallable} from "../../interfaces/common/IStaticDelegateCallable.sol";
 

test/POC.t.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity 0.8.25;
+pragma solidity ^0.8.0;
 
 import {POCBaseTest} from "./POCBase.t.sol";
 
@@ -12,6 +12,8 @@ contract POCTest is POCBaseTest {
     using Subnetwork for bytes32;
     using Subnetwork for address;
 
+    constructor() POCBaseTest("") {}
+
     function setUp() public override {
         // There are 4 initially deployed Vaults:
         // 1. With NetworkRestakeDelegator, with Slasher - 7 days vault epoch (can be used with vault1, delegator1, slasher1 variables)

test/mocks/DAILikeToken.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.25;
+pragma solidity ^0.8.0;
 
 import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 

test/mocks/FakeEntity.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.25;
+pragma solidity ^0.8.0;
 
 contract FakeEntity {
     address public immutable FACTORY;

test/mocks/FeeOnTransferToken.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.25;
+pragma solidity ^0.8.0;
 
 import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 

test/mocks/PermitToken.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.25;
+pragma solidity ^0.8.0;
 
 import {ERC20Permit} from "@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol";
 import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";

test/mocks/RebaseToken.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.25;
+pragma solidity ^0.8.0;
 
 import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";

test/mocks/SimpleBurner.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.25;
+pragma solidity ^0.8.0;
 
 import {IBurner} from "../../src/interfaces/slasher/IBurner.sol";
 

test/mocks/SimpleFullRestakeDelegatorHook.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.25;
+pragma solidity ^0.8.0;
 
 import {IFullRestakeDelegator} from "../../src/interfaces/delegator/IFullRestakeDelegator.sol";
 import {IDelegatorHook} from "../../src/interfaces/delegator/IDelegatorHook.sol";

test/mocks/SimpleNetworkRestakeDelegatorHook.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.25;
+pragma solidity ^0.8.0;
 
 import {INetworkRestakeDelegator} from "../../src/interfaces/delegator/INetworkRestakeDelegator.sol";
 import {IDelegatorHook} from "../../src/interfaces/delegator/IDelegatorHook.sol";

test/mocks/SimpleOperatorSpecificDelegatorHook.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.25;
+pragma solidity ^0.8.0;
 
 import {IOperatorSpecificDelegator} from "../../src/interfaces/delegator/IOperatorSpecificDelegator.sol";
 import {IDelegatorHook} from "../../src/interfaces/delegator/IDelegatorHook.sol";

test/mocks/SimpleRegistry.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.25;
+pragma solidity ^0.8.25;
 
 import {Registry} from "../../src/contracts/common/Registry.sol";
 

test/mocks/Token.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.25;
+pragma solidity ^0.8.0;
 
 import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";