Update declaration of memory safe assembly blocks (#5172)

Signed-off-by: Hadrien Croubois <hadrien.croubois@gmail.com>

scripts/generate/templates/Arrays.js

@@ -86,8 +86,7 @@ function _quickSort(uint256 begin, uint256 end, function(uint256, uint256) pure
  * @dev Pointer to the memory location of the first element of \`array\`.
  */
 function _begin(uint256[] memory array) private pure returns (uint256 ptr) {
-    /// @solidity memory-safe-assembly
-    assembly {
+    assembly ("memory-safe") {
         ptr := add(array, 0x20)
     }
 }
@@ -323,8 +322,7 @@ function unsafeAccess(${type}[] storage arr, uint256 pos) internal pure returns
   type,
 )}Slot storage) {
     bytes32 slot;
-    /// @solidity memory-safe-assembly
-    assembly {
+    assembly ("memory-safe") {
         slot := arr.slot
     }
     return slot.deriveArray().offset(pos).get${capitalize(type)}Slot();
@@ -351,8 +349,7 @@ const unsafeSetLength = type => `\
  * WARNING: this does not clear elements if length is reduced, of initialize elements if length is increased.
  */
 function unsafeSetLength(${type}[] storage array, uint256 len) internal {
-    /// @solidity memory-safe-assembly
-    assembly {
+    assembly ("memory-safe") {
         sstore(array.slot, len)
     }
 }