Enable ext.args support in GENERATE_CFG module

[Copilot]

The GENERATE_CFG module defined task.ext.args but never used it in the command invocation, preventing users from passing additional arguments via nf-core's standard configuration mechanism.

Changes

• Added $args to the quantmsutilsc dianncfg command invocation in modules/local/diann/generate_cfg/main.nf

Usage

Users can now configure additional arguments through their config files:

process {
    withName: 'GENERATE_CFG' {
        ext.args = '--custom-option value'
    }
}

The change is backward compatible—existing workflows continue to work unchanged.

Original prompt

Allow the ext.args according to nf-core standard in the generate_cfg

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[ypriverol]

@copilot Can you increase the version on dev to 1.8.0dev

[jpfeuffer]

@ypriverol This has to be part of the release process! It needs to be done immediately after release.

[ypriverol]

@jpfeuffer Agree, but this is the first PR after the release; we were working on the increase of the version. I can do a different PR for that.