apply pyupgrade

Author: davidism

src/jinja2/bccache.py

@@ -154,7 +154,7 @@ def get_cache_key(
         hash = sha1(name.encode("utf-8"))
 
         if filename is not None:
-            hash.update(f"|{filename}".encode("utf-8"))
+            hash.update(f"|{filename}".encode())
 
         return hash.hexdigest()