Update crates and some Clippy fixes (#4475)

- Updated all crates including reqwest
- Fixed some clippy lints reported by nightly Rust

src/api/admin.rs

@@ -701,10 +701,7 @@ async fn diagnostics(_token: AdminToken, ip_header: IpHeader, mut conn: DbConn)
     let (latest_release, latest_commit, latest_web_build) =
         get_release_info(has_http_access, running_within_container).await;
 
-    let ip_header_name = match &ip_header.0 {
-        Some(h) => h,
-        _ => "",
-    };
+    let ip_header_name = &ip_header.0.unwrap_or_default();
 
     let diagnostics_json = json!({
         "dns_resolved": dns_resolved,
@@ -717,8 +714,8 @@ async fn diagnostics(_token: AdminToken, ip_header: IpHeader, mut conn: DbConn)
         "running_within_container": running_within_container,
         "container_base_image": if running_within_container { container_base_image() } else { "Not applicable" },
         "has_http_access": has_http_access,
-        "ip_header_exists": &ip_header.0.is_some(),
-        "ip_header_match": ip_header_name == CONFIG.ip_header(),
+        "ip_header_exists": !ip_header_name.is_empty(),
+        "ip_header_match": ip_header_name.eq(&CONFIG.ip_header()),
         "ip_header_name": ip_header_name,
         "ip_header_config": &CONFIG.ip_header(),
         "uses_proxy": uses_proxy,

src/api/core/organizations.rs

@@ -2247,7 +2247,7 @@ impl GroupRequest {
     }
 
     pub fn update_group(&self, mut group: Group) -> Group {
-        group.name = self.Name.clone();
+        group.name.clone_from(&self.Name);
         group.access_all = self.AccessAll.unwrap_or(false);
         // Group Updates do not support changing the external_id
         // These input fields are in a disabled state, and can only be updated/added via ldap_import

src/api/notifications.rs

@@ -289,7 +289,7 @@ fn serialize(val: Value) -> Vec<u8> {
 
 fn serialize_date(date: NaiveDateTime) -> Value {
     let seconds: i64 = date.and_utc().timestamp();
-    let nanos: i64 = date.timestamp_subsec_nanos().into();
+    let nanos: i64 = date.and_utc().timestamp_subsec_nanos().into();
     let timestamp = nanos << 34 | seconds;
 
     let bs = timestamp.to_be_bytes();