libmysqlconnectorcpp: 1.1.7 -> 1.1.9

Semi-automatic update. These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 1.1.9 with grep in /nix/store/vj6fm6qlsf14jlmlhwdyla240jqa6i4h-libmysqlconnectorcpp-1.1.9
- found 1.1.9 in filename of file in /nix/store/vj6fm6qlsf14jlmlhwdyla240jqa6i4h-libmysqlconnectorcpp-1.1.9