fix toolchain version (#344)

jakehemmerle · web-flow · commit 37afd8d3b23a · 2023-05-24T12:45:00.000-06:00
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel="stable"
+channel="nightly-2023-02-09"
 targets=["wasm32-unknown-unknown"]
