adding go mod/sum to ignore (#797)

config/gitleaks.toml

@@ -545,5 +545,6 @@ description = "global allow lists"
 regexes = ['''219-09-9999''', '''078-05-1120''', '''(9[0-9]{2}|666)-\d{2}-\d{4}''']
 paths = [
     '''gitleaks.toml''',
-    '''(.*?)(jpg|gif|doc|pdf|bin|svg|socket)$'''
+    '''(.*?)(jpg|gif|doc|pdf|bin|svg|socket)$''',
+    '''(go.mod|go.sum)$'''
 ]