fix: correct regex mappings for duplicate and foreign key errors (#266)

Swap the variable names for DUPLICATE_KEY_REGEXES and FOREIGN_KEY_REGEXES to correctly match their contents. This ensures that the error detection for duplicate keys and foreign key violations works as intended across different database backends.

Signed-off-by: Noam Stolero <[email protected]>

advanced_alchemy/exceptions.py

@@ -9,7 +9,7 @@
 
 from advanced_alchemy.utils.deprecation import deprecated
 
-FOREIGN_KEY_REGEXES = {
+DUPLICATE_KEY_REGEXES = {
     "postgresql": [
         re.compile(
             r"^.*duplicate\s+key.*\"(?P<columns>[^\"]+)\"\s*\n.*Key\s+\((?P<key>.*)\)=\((?P<value>.*)\)\s+already\s+exists.*$",
@@ -33,7 +33,7 @@
     "cockroach": [],
 }
 
-DUPLICATE_KEY_REGEXES = {
+FOREIGN_KEY_REGEXES = {
     "postgresql": [
         re.compile(
             r".*on table \"(?P<table>[^\"]+)\" violates "