[WFRP4e Core] Aethyric Attunement tests line misspelling

[moo-man]

The Tests line of Aethyric Attunment uses 'Channeling' with a single 'l', even though in Foundry, the skill is spelled 'Channelling' with two 'l's.
From: Andres#7311
foundry: 10.291
wfrp4e: 6.4.0
wfrp4e-core: 3.1.0
wfrp4e-starter-set: 3.1.0
wfrp4e-up-in-arms: 3.0.2
wfrp4e-wom: 3.0.0
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