Use the issuer as the name for the issuer block in the scitokens conf…

…ig; this lets us have multiple issuers for a single path

src/stashcache.py

@@ -379,7 +379,7 @@ def generate_cache_scitokens(vo_data: VOsData, resource_groups: List[ResourceGro
 
 def _get_scitokens_issuer_block(vo_name: str, scitokens: Dict, dirname: str, suppress_errors: bool) -> str:
     template = """\
-[Issuer {dirname}]
+[Issuer {issuer}]
 issuer = {issuer}
 base_path = {base_path}
 {restricted_path_line}