ci: put file sorter to the end of the pre-commit checking

So that the sorter will be done at the end of the checking flow, we don't need to run pre-commit hooks again if another hook also take effect.

.pre-commit-config.yaml

@@ -22,8 +22,6 @@ repos:
       - id: end-of-file-fixer
         exclude: *whitespace_excludes
       - id: check-executables-have-shebangs
-      - id: file-contents-sorter
-        files: '(tools\/ci\/executable-list\.txt|tools\/ci\/mypy_ignore_list\.txt)'
       - id: mixed-line-ending
         args: ['-f=lf']
       - id: double-quote-string-fixer
@@ -97,3 +95,8 @@ repos:
         additional_dependencies: ['mypy==0.800', 'mypy-extensions==0.4.3']
         language: python
         types: [python]
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.4.0
+    hooks:
+      - id: file-contents-sorter
+        files: '(tools\/ci\/executable-list\.txt|tools\/ci\/mypy_ignore_list\.txt)'