Bump Rust to 1.90 (#38436)

Release Notes:

- N/A

---------

Co-authored-by: Nia Espera <nia@zed.dev>
Co-authored-by: Julia Ryan <juliaryan3.14@gmail.com>

crates/command_palette/src/persistence.rs

@@ -10,6 +10,7 @@ use db::{
 use serde::{Deserialize, Serialize};
 use time::OffsetDateTime;
 
+#[cfg(test)]
 #[derive(Debug, Clone, Deserialize, Serialize, PartialEq)]
 pub(crate) struct SerializedCommandInvocation {
     pub(crate) command_name: String,
@@ -39,6 +40,7 @@ impl Column for SerializedCommandUsage {
     }
 }
 
+#[cfg(test)]
 impl Column for SerializedCommandInvocation {
     fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
         let (command_name, next_index): (String, i32) = Column::column(statement, start_index)?;
@@ -84,8 +86,9 @@ impl CommandPaletteDB {
             .await
     }
 
+    #[cfg(test)]
     query! {
-        pub fn get_last_invoked(command: &str) -> Result<Option<SerializedCommandInvocation>> {
+        pub(crate) fn get_last_invoked(command: &str) -> Result<Option<SerializedCommandInvocation>> {
             SELECT
             command_name,
             user_query,