MALT should support parallel AA and DNA database building

### Description of the bug

- Would require running MALT_BUILD twice (with aliases)
- Would need to split `--malt_build_options` into `--malt_build_dna_options` `--malt_build_aa_options` etc.

### Command used and terminal output

```console

```

### Relevant files

_No response_

### System information

_No response_