Bump to `0.22.0-bitcoin-v0.29` #625

Job	Run time
Format	3s
Build WASM (stable, -p nostr)	1m 27s
Build WASM (stable, -p nostr-sdk)	1m 41s
Build WASM (stable, -p nostr-js)	1m 23s
Build WASM (1.64.0, -p nostr)	3m 29s
Build WASM (1.64.0, -p nostr-sdk)	3m 45s
Build WASM (1.64.0, -p nostr-js)	4m 14s
Build (stable, -p nostr)	2m 17s
Build (stable, -p nostr --no-default-features)	1m 13s
Build (stable, -p nostr --no-default-features --features all-nips)	2m 38s
Build (stable, -p nostr --no-default-features --features vanity)	1m 40s
Build (stable, -p nostr --features blocking)	2m 59s
Build (stable, -p nostr-sdk)	2m 2s
Build (stable, -p nostr-sdk --no-default-features)	1m 18s
Build (stable, -p nostr-sdk --features blocking)	2m 18s
Build (stable, -p nostr-ffi)	3m 42s
Build (stable, -p nostr-sdk-ffi)	3m 31s
Build (1.64.0, -p nostr)	5m 27s
Build (1.64.0, -p nostr --no-default-features)	4m 15s
Build (1.64.0, -p nostr --no-default-features --features all-nips)	4m 46s
Build (1.64.0, -p nostr --no-default-features --features vanity)	3m 59s
Build (1.64.0, -p nostr --features blocking)	4m 50s
Build (1.64.0, -p nostr-sdk)	6m 16s
Build (1.64.0, -p nostr-sdk --no-default-features)	3m 54s
Build (1.64.0, -p nostr-sdk --features blocking)	6m 24s
Build (1.64.0, -p nostr-ffi)	5m 17s
Build (1.64.0, -p nostr-sdk-ffi)	5m 58s
	1h 30m 46s

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