Adapt to fnmatch.translate() using \z instead of \Z in Python 3.14

Author: elfmimi

pyocd/subcommands/pack_cmd.py

@@ -54,7 +54,7 @@ def _get_matches(self, cache: "cmsis_pack_manager.Cache") -> Set[str]:
         matches = set()
         for pattern in self._args.patterns:
             # Using fnmatch.fnmatch() was failing to match correctly.
-            pat = re.compile(fnmatch.translate(pattern).rsplit('\\Z')[0], re.IGNORECASE)
+            pat = re.compile(fnmatch.translate(pattern).rsplit('\\', 1)[0], re.IGNORECASE)
             results = {name for name in cache.index.keys() if pat.search(name)}
             matches.update(results)