samba security, bug fix, and enhancement update

[4.15.5-5]

• resolves: rhbz#2064325 - Fix ‘create krb5 conf = yes’ when a KDC has a
  single IP address.
  [4.15.5-4]
• resolves: rhbz#2057503 - Fix winbind kerberos ticket refresh
  [4.15.5-3]
• related: rhbz#1979959 - Fix typo in testparm output
  [4.15.5-2]
• resolves: rhbz#1979959 - Improve idmap autorid sanity checks and documentation
  [4.15.5-1]
• resolves: #1995849 - [RFE] Change change password change prompt phrasing
• resolves: #2029417 - virusfilter_vfs_openat: Not scanned: Directory or special file
  [4.15.5-0]
• Update to Samba 4.15.5
• related: rhbz#2013596 - Rebase Samba to the the latest 4.15.x release
• resolves: rhbz#2046127 - Fix CVE-2021-44141
• resolves: rhbz#2046153 - Fix CVE-2021-44142
• resolves: rhbz#2044404 - Printing no longer works on Windows 7
• resolves: rhbz#2043154 - Fix systemd notifications
• resolves: rhbz#2049602 - Disable NTLMSSP for ldap client connections (e.g. libads)
  [4.15.4-0]
• Update to Samba 4.15.4
• related: rhbz#2013596 - Rebase Samba to the the latest 4.15.x release
• resolves: rhbz#2039153 - Fix CVE-2021-20316
• resolves: rhbz#1912549 - Winexe: Kerberos flag not invoking Kerberos Auth
• resolves: rhbz#2039157 - Fix CVE-2021-43566
• resolves: rhbz#2038148 - Failed to authenticate users after upgrade samba package to release samba-4.14.5-7
• resolves: rhbz#2035528 - [smb] Segmentation fault when joining the domain
• resolves: rhbz#2038796 - filename_convert_internal: open_pathref_fsp [xxx] failed: NT_STATUS_ACCESS_DENIED
  [4.15.3-1]
• related: rhbz#2013596 - Rebase to version 4.15.3
• resolves: rhbz#2028029 - Fix possible null pointer dereference in winbind
• resolves: rhbz#1912549 - Winexe: Kerberos Auth is respected via --use-kerberos=desired
  [4.15.2-2]
• related: rhbz#2013596 - Remove unneeded lmdb dependency
  [4.15.2-1]
• resolves: rhbz#2013596 - Rebase to version 4.15.2
• resolves: rhbz#1999294 - Remove noisy error message in winbindd
• resolves: rhbz#1958881 - Dont require winbind being online for krb5 auth
  with one-way trusts
• resolves: rhbz#2019461 - Fix deleting directories with dangling symlinks
  [4.14.5-14]
• related: rbhz#2019674 - Fix CVE-2020-25717
• Fix running ktest (selftest)
  [4.14.5-13]
• related: rbhz#2019674 - Fix CVE-2020-25717
• Add missing checks for IPA DC server role
  [4.14.5-12]
• related: rbhz#2019674 - Fix regression with ‘allow trusted domains = no’
  [4.14.5-11]
• resolves: rhbz#2021425 - Add missing PAC buffer types to krb5pac.idl