rust-toolchain: pin to stable 1.90.0

Wenzel · Wenzel · commit f8bdcec9ba3a · 2025-09-22T02:40:00.000-07:00
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "nightly-2025-04-01"
+channel = "1.90.0"
