[pre-commit.ci] pre-commit autoupdate (TheAlgorithms#10613)

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/abravalheri/validate-pyproject: v0.14 → v0.15](abravalheri/validate-pyproject@v0.14...v0.15)

* updating DIRECTORY.md

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -46,7 +46,7 @@ repos:
         pass_filenames: false
 
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.14
+    rev: v0.15
     hooks:
       - id: validate-pyproject
 

DIRECTORY.md

@@ -192,10 +192,12 @@
     * [Binary Tree Node Sum](data_structures/binary_tree/binary_tree_node_sum.py)
     * [Binary Tree Path Sum](data_structures/binary_tree/binary_tree_path_sum.py)
     * [Binary Tree Traversals](data_structures/binary_tree/binary_tree_traversals.py)
+    * [Diameter Of Binary Tree](data_structures/binary_tree/diameter_of_binary_tree.py)
     * [Diff Views Of Binary Tree](data_structures/binary_tree/diff_views_of_binary_tree.py)
     * [Distribute Coins](data_structures/binary_tree/distribute_coins.py)
     * [Fenwick Tree](data_structures/binary_tree/fenwick_tree.py)
     * [Flatten Binarytree To Linkedlist](data_structures/binary_tree/flatten_binarytree_to_linkedlist.py)
+    * [Floor And Ceiling](data_structures/binary_tree/floor_and_ceiling.py)
     * [Inorder Tree Traversal 2022](data_structures/binary_tree/inorder_tree_traversal_2022.py)
     * [Is Bst](data_structures/binary_tree/is_bst.py)
     * [Lazy Segment Tree](data_structures/binary_tree/lazy_segment_tree.py)