add calls to UUPSUpgradeable_init

We should calls these for completeness, since we inherit from UUPSUpgradeable

Author: Melvillian

src/BlockBuilderPolicy.sol

@@ -89,6 +89,7 @@ contract BlockBuilderPolicy is
     /// @inheritdoc IBlockBuilderPolicy
     function initialize(address _initialOwner, address _registry) external override initializer {
         __Ownable_init(_initialOwner);
+        __UUPSUpgradeable_init();
         __EIP712_init("BlockBuilderPolicy", "1");
         require(_registry != address(0), InvalidRegistry());
 

src/FlashtestationRegistry.sol

@@ -66,6 +66,7 @@ contract FlashtestationRegistry is
         __Ownable_init(owner);
         __EIP712_init("FlashtestationRegistry", "1");
         __ReentrancyGuardTransient_init();
+        __UUPSUpgradeable_init();
         require(_attestationContract != address(0), InvalidAttestationContract());
         attestationContract = IAttestation(_attestationContract);
     }