[minor] Upgrade rust version (#19363)

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## Rationale for this change

Just keep it up to date

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Author: Dandandan

datafusion/functions-nested/src/range.rs

@@ -573,7 +573,7 @@ fn gen_range_iter(
 }
 
 fn parse_tz(tz: &Option<&str>) -> Result<Tz> {
-    let tz = tz.as_ref().map_or_else(|| "+00", |s| s);
+    let tz = tz.unwrap_or_else(|| "+00");
 
     Tz::from_str(tz)
         .map_err(|op| exec_datafusion_err!("failed to parse timezone {tz}: {:?}", op))

datafusion/sql/src/expr/value.rs

@@ -186,7 +186,6 @@ impl<S: ContextProvider> SqlToRel<'_, S> {
 
     /// Convert a SQL interval expression to a DataFusion logical plan
     /// expression
-    #[expect(clippy::only_used_in_recursion)]
     pub(super) fn sql_interval_to_expr(
         &self,
         negative: bool,

rust-toolchain.toml

@@ -19,5 +19,5 @@
 # to compile this workspace and run CI jobs.
 
 [toolchain]
-channel = "1.91.0"
+channel = "1.92.0"
 components = ["rustfmt", "clippy"]