api: make the zip() usage clearer

We manually enforce matching lengths but there's no harm in doing this
too.

Signed-off-by: Jussi Kukkonen <jkukkonen@google.com>

Author: jku

tuf/api/_payload.py

@@ -1191,7 +1191,7 @@ def _is_target_in_pathpattern(targetpath: str, pathpattern: str) -> bool:
 
         # Every part in the pathpattern could include a glob pattern, that's why
         # each of the target and pathpattern parts should match.
-        for target, pattern in zip(target_parts, pattern_parts, strict=False):
+        for target, pattern in zip(target_parts, pattern_parts, strict=True):
             if not fnmatch.fnmatch(target, pattern):
                 return False