Add CrackTunes to the list of bots using poise (#332) #1226

Job	Run time
Clippy	50s
Build docs	2m 24s
Test (MSRV)	1m 17s
Rustfmt	4s
Test (stable)	2m 5s
Test (beta)	2m 5s
Test (nightly)	1m 42s
Test (macOS)	1m 38s
Test (Windows)	4m 48s
Test (no features)	1m 7s
Test (all features - simdjson, cargo test --all-features --lib --tests --examples)	1m 17s
Test (native TLS, cargo test --all-features --features serenity/native_tls_backend --lib --tests ...	1m 16s
	20m 33s

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