Ruby: Bump rust toolchain to 1.68

hmac · hmac · commit 01a85164eef3 · 2023-03-16T11:54:47.000+13:00
diff --git a/ruby/extractor/rust-toolchain.toml b/ruby/extractor/rust-toolchain.toml
@@ -2,6 +2,6 @@
 # extractor. It is set to the lowest version of Rust we want to support.
 
 [toolchain]
-channel = "1.54"
+channel = "1.68"
 profile = "minimal"
 components = [ "rustfmt" ]
