. e use textwrap.dedent

the release script doesn't have approval_utilities installed

Author: JayBazuzi

setup/set_version.py

@@ -1,10 +1,9 @@
 import argparse
+import textwrap
 from pathlib import Path
 
 from packaging.version import Version
 
-from approval_utilities.utilities.multiline_string_utils import remove_indentation_from
-
 _VERSION_FILES = map(
     Path,
     [
@@ -23,9 +22,9 @@ def main() -> None:
     print(f"Setting version to {version_number}")
     for version_file in _VERSION_FILES:
         version_file.write_text(
-            remove_indentation_from(f"""
-            # Do not edit manually - use setup/set_version.py to change the version
-            version_number = "{version_number}"
+            textwrap.dedent(f"""\
+                # Do not edit manually — use setup/set_version.py to change the version
+                version_number = "{version_number}"
             """)
         )