samba: Update to version 4.15.5

samba: Update to version 4.15.5

- Update from 4.14.6 to 4.15.5
- Update of rootfile
- Changelog is too long to include everything. Full details can be found in the
   WHATSNEW.txt file in the source tarball. The following highlights those releases
    that were security releases. The other releases had a range of bug fixes.
    4.15.5 is a security release and includes the following CVE fixes
      o CVE-2021-44141: UNIX extensions in SMB1 disclose whether the outside target
                  of a symlink exists.
                  https://www.samba.org/samba/security/CVE-2021-44141.html
      o CVE-2021-44142: Out-of-Bound Read/Write on Samba vfs_fruit module.
                  https://www.samba.org/samba/security/CVE-2021-44142.html
      o CVE-2022-0336:  Re-adding an SPN skips subsequent SPN conflict checks.
                  https://www.samba.org/samba/security/CVE-2022-0336.html
    4.15.2 was a security release and included the following CVE fixes
      o CVE-2016-2124:  SMB1 client connections can be downgraded to plaintext
                  authentication.
                  https://www.samba.org/samba/security/CVE-2016-2124.html
      o CVE-2020-25717: A user on the domain can become root on domain members.
                  https://www.samba.org/samba/security/CVE-2020-25717.html
                  (PLEASE READ! There are important behaviour changes described)
      o CVE-2020-25718: Samba AD DC did not correctly sandbox Kerberos tickets issued
                  by an RODC.
                  https://www.samba.org/samba/security/CVE-2020-25718.html
      o CVE-2020-25719: Samba AD DC did not always rely on the SID and PAC in Kerberos
                  tickets.
                  https://www.samba.org/samba/security/CVE-2020-25719.html
      o CVE-2020-25721: Kerberos acceptors need easy access to stable AD identifiers
                  (eg objectSid).
                  https://www.samba.org/samba/security/CVE-2020-25721.html
      o CVE-2020-25722: Samba AD DC did not do suffienct access and conformance
                  checking of data stored.
                  https://www.samba.org/samba/security/CVE-2020-25722.html
      o CVE-2021-3738:  Use after free in Samba AD DC RPC server.
                  https://www.samba.org/samba/security/CVE-2021-3738.html
      o CVE-2021-23192: Subsequent DCE/RPC fragment injection vulnerability.
                  https://www.samba.org/samba/security/CVE-2021-23192.html
    4.14.12 was a security release and included the following CVE fixes
      o CVE-2021-44142: Out-of-Bound Read/Write on Samba vfs_fruit module.
                  https://www.samba.org/samba/security/CVE-2021-44142.html
      o CVE-2022-0336:  Re-adding an SPN skips subsequent SPN conflict checks.
                  https://www.samba.org/samba/security/CVE-2022-0336.html
    4.14.10 was a security release and included the following CVE fixes
      o CVE-2016-2124:  SMB1 client connections can be downgraded to plaintext
                  authentication.
                  https://www.samba.org/samba/security/CVE-2016-2124.html
      o CVE-2020-25717: A user on the domain can become root on domain members.
                  https://www.samba.org/samba/security/CVE-2020-25717.html
                  (PLEASE READ! There are important behaviour changes described)
      o CVE-2020-25718: Samba AD DC did not correctly sandbox Kerberos tickets issued
                  by an RODC.
                  https://www.samba.org/samba/security/CVE-2020-25718.html
      o CVE-2020-25719: Samba AD DC did not always rely on the SID and PAC in Kerberos
                  tickets.
                  https://www.samba.org/samba/security/CVE-2020-25719.html
      o CVE-2020-25721: Kerberos acceptors need easy access to stable AD identifiers
                  (eg objectSid).
                  https://www.samba.org/samba/security/CVE-2020-25721.html
      o CVE-2020-25722: Samba AD DC did not do suffienct access and conformance
                  checking of data stored.
                  https://www.samba.org/samba/security/CVE-2020-25722.html
      o CVE-2021-3738:  Use after free in Samba AD DC RPC server.
                  https://www.samba.org/samba/security/CVE-2021-3738.html
      o CVE-2021-23192: Subsequent DCE/RPC fragment injection vulnerability.
                  https://www.samba.org/samba/security/CVE-2021-23192.html

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Reviewed-by: Peter Müller <peter.mueller@ipfire.org>