getmail: 5.4 -> 5.5

Semi-automatic update. These checks were performed:

- built on NixOS
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail -h` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail --help` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail --version` and found version 5.5
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail_fetch -h` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail_fetch --help` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail_fetch --version` and found version 5.5
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail_maildir -h` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail_maildir --help` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail_maildir -h` and found version 5.5
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail_maildir --help` and found version 5.5
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail_mbox -h` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail_mbox --help` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail_mbox -h` and found version 5.5
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/getmail_mbox --help` and found version 5.5
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail-wrapped -h` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail-wrapped --help` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail-wrapped --version` and found version 5.5
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail_fetch-wrapped -h` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail_fetch-wrapped --help` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail_fetch-wrapped --version` and found version 5.5
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail_maildir-wrapped -h` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail_maildir-wrapped --help` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail_maildir-wrapped -h` and found version 5.5
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail_maildir-wrapped --help` and found version 5.5
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail_mbox-wrapped -h` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail_mbox-wrapped --help` got 0 exit code
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail_mbox-wrapped -h` and found version 5.5
- ran `/nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5/bin/.getmail_mbox-wrapped --help` and found version 5.5
- found 5.5 with grep in /nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5
- found 5.5 in filename of file in /nix/store/79s8fwglc4hz2di2kzc0nk9s77b9f7h2-getmail-5.5

cc "@raskin @domenkozar"