Update WASI observe link to WebAssembly repo

Signed-off-by: Kate Goldenring <kate.goldenring@fermyon.com>

Author: kate-goldenring

docs/interfaces.md

@@ -135,7 +135,7 @@ Some APIs may require backwards-incompatible changes over time. In these cases,
 [wasi-logging]: https://github.com/WebAssembly/wasi-logging
 [wasi-messaging]: https://github.com/WebAssembly/wasi-messaging
 [wasi-nn]: https://github.com/WebAssembly/wasi-nn
-[wasi-observe]: https://github.com/dylibso/wasi-observe
+[wasi-observe]: https://github.com/WebAssembly/wasi-observe
 [wasi-parallel]: https://github.com/WebAssembly/wasi-parallel
 [wasi-pattern-match]: https://github.com/WebAssembly/wasi-pattern-match
 [wasi-proxy-wasm]: https://github.com/proxy-wasm/spec