feat(spikeinterface/sort): add module wrapping SpikeInterface 0.101.2 spike sorting

[olaflaitinen]

PR checklist

• This comment contains a description of changes (with reason).
• If you've fixed a bug or added code that should be tested, have you added tests?
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Description

Adds spikeinterface/sort, a process module wrapping SpikeInterface 0.101.2 for extracellular spike sorting. Conda package is pinned as conda-forge::spikeinterface=0.101.2 (build reflected in Multi-container tag pyh0610db2_0). Container uses biocontainers/spikeinterface:0.101.2--pyh0610db2_0.

versions.yml records spikeinterface: 0.101.2 and spike_sorter: <sorter channel> so snapshots remain stable across runs.

biotools identifier: biotools:spikeinterface.

Outstanding follow-ups

1. Add modules/data/genomics/electrophysiology/recording_small.bin under nf-core/test-datasets (HTTP 404 as of validation). Candidate: attach a minimal public-domain or CC0-compatible int16 extracellular excerpt (single channel, 30 kHz) under 5 MB, then rerun nf-test --update-snapshot so the integration test MD5 placeholders in tests/main.nf.test.snap are replaced.

2. nf-core modules lint reports transient container registry warnings (Quay HEAD 403 / Galaxy depot 404 for this tag in the lint environment). Consider a Wave URL once available or a depot-published Singularity artifact if the nf-core bots provide one.