Ignore ruff/pyupgrade rule UP031 for now

DimitriPapadopoulos · DimitriPapadopoulos · commit 5a053e938534 · 2024-12-11T10:42:13.000+01:00
UP031 Use format specifiers instead of percent format
diff --git a/pyproject.toml b/pyproject.toml
@@ -98,6 +98,9 @@ select = [
     'SIM118',
     'SIM2'
 ]
+ignore = [
+    'UP031'
+]
 
 [tool.spin]
 package = 'nipy'
