Update the manpage documentation for the hash_password script (#13911)

changelog.d/13911.doc

+Update the man page for the `hash_password` script to correct the default number of bcrypt rounds performed.
\ No newline at end of file

debian/changelog

+matrix-synapse-py3 (1.69.0~rc1+nmu1) UNRELEASED; urgency=medium
+
+  * The man page for the hash_password script has been updated to reflect
+    the correct default value of 'bcrypt_rounds'.
+
+ -- Synapse Packaging team <packages@matrix.org>  Mon, 26 Sep 2022 18:05:09 +0100
+
 matrix-synapse-py3 (1.68.0~rc2) stable; urgency=medium
 
   * New Synapse release 1.68.0rc2.

debian/hash_password.ronn

@@ -14,7 +14,7 @@ or the `STDIN` if not supplied.
 
 It accepts an YAML file which can be used to specify parameters like the
 number of rounds for bcrypt and password_config section having the pepper
-value used for the hashing. By default `bcrypt_rounds` is set to **10**.
+value used for the hashing. By default `bcrypt_rounds` is set to **12**.
 
 The hashed password is written on the `STDOUT`.