samba: Update to version 4.20.4

samba: Update to version 4.20.4

- Update from version 4.20.2 to 4.20.4
- Successfully built samba on arm builder
- Update of rootfile for x86_64 & aarch64 not required.
- Changelog
    4.20.4
	   * BUG 15673: --version-* options are still not ergonomic, and they reject
	     tilde characters.
	   * BUG 15673: --version-* options are still not ergonomic, and they reject
	     tilde characters.
    4.20.3
	   * BUG 15683: Running samba-bgqd a a standalone systemd service does not work.
	   * BUG 15655: When claims enabled with heimdal kerberos, unable to log on to a
	     Windows computer when user account need to change their own password.
	   * BUG 15671: Invalid client warning about command line passwords.
	   * BUG 15672: Version string is truncated in manpages.
	   * BUG 15673: --version-* options are still not ergonomic, and they reject
	     tilde characters.
	   * BUG 15674: cmdline_burn does not always burn secrets.
	   * BUG 15685: Samba does not parse SDDL found in defaultSecurityDescriptor in
	     AD_DS_Classes_Windows_Server_v1903.ldf.
	   * BUG 15655: When claims enabled with heimdal kerberos, unable to log on to a
	     Windows computer when user account need to change their own password.
	   * BUG 15660: The images don\'t build after the git security release and
	     CentOS 8 Stream is EOL.
	   * BUG 15676: Fix clock skew error message and memory cache clock skew
	     recovery.
	   * BUG 15603: Heimdal ignores _gsskrb5_decapsulate errors in
	     init_sec_context/repl_mutual.
	   * BUG 15621: s4:ldap_server: does not support tls channel bindings
	     for sasl binds.
	   * BUG 15678: CTDB socket output queues may suffer unbounded delays under some
	     special conditions.

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>