Update rust-toolchain.toml to nightly-2023-12-19.

sunfishcode · sunfishcode · commit b8046504dd6c · 2023-12-20T13:45:32.000-08:00
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2023-12-09"
+channel = "nightly-2023-12-19"
 components = ["rustc", "cargo", "rust-std", "rust-src", "rustfmt"]
