nf-core lint should say which conda packages are not specified correctly

[mahesh-panchal]

Description of feature

When doing nf-core lint,
a line like: conda "conda-forge::r-base bioconda::bioconductor-deseq2 bioconda::bioconductor-biocparallel bioconda::bioconductor-tximport bioconda::bioconductor-complexheatmap conda-forge::r-optparse conda-forge::r-ggplot2 conda-forge::r-rcolorbrewer conda-forge::r-pheatmap"
can result in multiple Conda version not specified correctly:

│ breadthofcoverage               │ modules/local/breadthofcoverage.nf             │ Conda version not specified correctly                                                   │
│ plotauthenticationscore         │ modules/local/plotauthenticationscore.nf       │ Conda version not specified correctly                                                   │
│ plotauthenticationscore         │ modules/local/plotauthenticationscore.nf       │ Conda version not specified correctly                                                   │
│ plotauthenticationscore         │ modules/local/plotauthenticationscore.nf       │ Conda version not specified correctly                                                   │
│ plotauthenticationscore         │ modules/local/plotauthenticationscore.nf       │ Conda version not specified correctly                                                   │

but this is hard to figure out what is triggering the linting.