mate.mate-calc: 1.20.2 -> 1.21.0 (#43174)

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/mate-calc/versions.

These checks were done:

- built on NixOS
- Warning: no invocation of /nix/store/pj0sfjgfdibchfcjxmw8hqqz6b3733vf-mate-calc-1.21.0/bin/mate-calc had a zero exit code or showed the expected version
- /nix/store/pj0sfjgfdibchfcjxmw8hqqz6b3733vf-mate-calc-1.21.0/bin/mate-calc-cmd passed the binary check.
- Warning: no invocation of /nix/store/pj0sfjgfdibchfcjxmw8hqqz6b3733vf-mate-calc-1.21.0/bin/.mate-calculator-wrapped had a zero exit code or showed the expected version
- Warning: no invocation of /nix/store/pj0sfjgfdibchfcjxmw8hqqz6b3733vf-mate-calc-1.21.0/bin/mate-calculator had a zero exit code or showed the expected version
- Warning: no invocation of /nix/store/pj0sfjgfdibchfcjxmw8hqqz6b3733vf-mate-calc-1.21.0/bin/.mate-calc-wrapped had a zero exit code or showed the expected version
- /nix/store/pj0sfjgfdibchfcjxmw8hqqz6b3733vf-mate-calc-1.21.0/bin/.mate-calc-cmd-wrapped passed the binary check.
- 2 of 6 passed binary check by having a zero exit code.
- 0 of 6 passed binary check by having the new version present in output.
- found 1.21.0 with grep in /nix/store/pj0sfjgfdibchfcjxmw8hqqz6b3733vf-mate-calc-1.21.0
- directory tree listing: https://gist.github.com/5dedfa9ca0998bbe4bc5a135a203e38d
- du listing: https://gist.github.com/aa96b097f6ceb6a2b427396a17d41e73