gitAndTools.git-extras: 4.4.0 -> 4.5.0

Semi-automatic update generated by https://github.com/ryantm/nix-update tools. These checks were done:

- built on NixOS
/tmp/tmp.nnPD4LOmby /home/ryantm/.cache/nixpkgs
/home/ryantm/.cache/nixpkgs
- ran `/nix/store/5f91kx2c84gnfkvaw7lfs73ziwfih3y3-git-extras-4.5.0/bin/git-extras -v` and found version 4.5.0
- ran `/nix/store/5f91kx2c84gnfkvaw7lfs73ziwfih3y3-git-extras-4.5.0/bin/git-extras --version` and found version 4.5.0
- ran `/nix/store/5f91kx2c84gnfkvaw7lfs73ziwfih3y3-git-extras-4.5.0/bin/git-standup -h` got 0 exit code
- ran `/nix/store/5f91kx2c84gnfkvaw7lfs73ziwfih3y3-git-extras-4.5.0/bin/git-standup help` got 0 exit code
- found 4.5.0 with grep in /nix/store/5f91kx2c84gnfkvaw7lfs73ziwfih3y3-git-extras-4.5.0
- directory tree listing: https://gist.github.com/a7a8d5fdc1d2b452c08a12f2319907dd