Bump deepdiff dependency version to 8.6.2

Author: bltravis

pyproject.toml

@@ -22,7 +22,7 @@ dependencies = [
     "pymarc>=5.2.3,<6.0.0",
     "pydantic>=2.12.3,<3.0.0",
     "argparse-prompt>=0.0.5,<1.0.0",
-    "deepdiff>=6.2.3,<7.0.0",
+    "deepdiff>=8.6.2,<9.0.0",
     "pyaml>=21.10.1,<22.0.0",
     "python-i18n>=0.3.9,<1.0.0",
     "art>=6.5,<7.0",