merge bitcoin#23102: Add missing re.escape() to feature_addrman test

Author: kwvg

test/functional/feature_addrman.py

@@ -5,6 +5,7 @@
 """Test addrman functionality"""
 
 import os
+import re
 import struct
 
 from test_framework.messages import ser_uint256, hash256
@@ -56,7 +57,7 @@ def run_test(self):
         init_error = lambda reason: (
             f"Error: Invalid or corrupt peers.dat \\({reason}\\). If you believe this "
             f"is a bug, please report it to {self.config['environment']['PACKAGE_BUGREPORT']}. "
-            f'As a workaround, you can move the file \\("{peers_dat}"\\) out of the way \\(rename, '
+            f'As a workaround, you can move the file \\("{re.escape(peers_dat)}"\\) out of the way \\(rename, '
             "move, or delete\\) to have a new one created on the next start."
         )