expect: 5.45 -> 5.45.4

Semi-automatic update. These checks were performed:

- built on NixOS
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/expect -v` and found version 5.45.4
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/timed-read -h` got 0 exit code
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/timed-read --help` got 0 exit code
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/timed-read help` got 0 exit code
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/weather help` got 0 exit code
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/kibitz help` got 0 exit code
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/rlogin-cwd -h` got 0 exit code
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/rlogin-cwd --help` got 0 exit code
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/rlogin-cwd help` got 0 exit code
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/mkpasswd -h` got 0 exit code
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/mkpasswd --help` got 0 exit code
- ran `/nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4/bin/.expect-wrapped -v` and found version 5.45.4
- found 5.45.4 with grep in /nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4
- found 5.45.4 in filename of file in /nix/store/3f5lmyfii8yzf3rw3ghpzcdj6f0v5l29-expect-5.45.4