Add gcta/fastgwa module

[lyh970817]

This PR adds the gcta/fastgwa module, which runs GCTA fastGWA for quantitative and binary phenotypes from PLINK genotype inputs and sparse GRM inputs.

Merge dependency: #11002.

PR checklist

• This comment contains a description of changes (with reason).
• If you've fixed a bug or added code that should be tested, add tests!
• If you've added a new tool - have you followed the module conventions in the contribution docs
• If necessary, include test data in your PR.
• Remove all TODO statements.
• Broadcast software version numbers to topic: versions - See version_topics
• Follow the naming conventions.
• Follow the parameters requirements.
• Follow the input/output options guidelines.
• Add a resource label
• Use BioConda and BioContainers if possible to fulfil software requirements.
• nf-core modules test gcta/fastgwa --profile docker
• nf-core modules test gcta/fastgwa --profile singularity
• nf-core modules test gcta/fastgwa --profile conda