Fix too long floating point number parse problem

- Also include @dougthor42's diff to test the fix
    see: [his diff](https://github.com/pre-commit/pre-commit-hooks/compare/main...dougthor42:high-precision-numbers)

pre_commit_hooks/pretty_format_json.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import argparse
-import json
+import simplejson as json
 import sys
 from difflib import unified_diff
 from typing import Mapping
@@ -23,7 +23,7 @@ def _get_pretty_format(
             after.sort()
         return dict(before + after)
     json_pretty = json.dumps(
-        json.loads(contents, object_pairs_hook=pairs_first),
+        json.loads(contents, object_pairs_hook=pairs_first, use_decimal=True),
         indent=indent,
         ensure_ascii=ensure_ascii,
     )

testing/resources/high_precision_numbers.json

@@ -0,0 +1,3 @@
+{
+  "foo": 4.4257052820783003
+}

tests/pretty_format_json_test.py

@@ -23,6 +23,8 @@ def test_parse_num_to_int():
         ('unsorted_pretty_formatted_json.json', 1),
         ('non_ascii_pretty_formatted_json.json', 1),
         ('pretty_formatted_json.json', 0),
+        # numbers with high precision should not be modified.
+        ('high_precision_numbers.json', 0),
     ),
 )
 def test_main(filename, expected_retval):