Bump nightly version -> 2023-10-21

flip1995 · flip1995 · commit a585cda70158 · 2023-10-21T13:41:57.000+02:00
diff --git a/rust-toolchain b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2023-10-06"
+channel = "nightly-2023-10-21"
 components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"]
