mariadb-connector-c security, bug fix, and enhancement update

[3.1.11-2]

• Require specific minimal version of the ‘mariadb’ package, if it is installed
  [3.1.11-1]
• Rebase to 3.1.11
  [3.1.9-1]
• Rebase to 3.1.9
• Overlinking issues fixed by upstream in 3.1.3 release
• Add explicit confict between mariadb-connector-c-devel and mysql-devel packages
  [3.1.2-1]
• Rebase to 3.1.2
• Introducing ED25519 plugin
• Plugindir issues (from 3.0.9 release) fixed by upstream
  Resolves: #1691176
  [3.0.10-1]
• Rebase to 3.0.10
• Use macro for tarball name
• Use macro to set build flags
• Use macros for make commands
• Remove the scriptlets non relevant for RHEL-8
• Add info for the testsuite execution
• Remove glob from library version
• Remove info about the upstream issues
  [3.0.8-2]
• Add ‘zlib-devel’ requirement in ‘-devel’ subpackage. MariaDB requires
  linking with ‘-lz’, which will fail without the zlib library
• Resolves: #1710471
  [3.0.8-1]
• Rebase to 3.0.8