Update deps, fixes deprecation, update license date

src/utils/random.rs

@@ -16,7 +16,9 @@ pub struct Random {
 impl Default for Random {
     /// The default for the RNG uses the nanoseconds since epoch as seed.
     fn default() -> Self {
-        let seed = chrono::Utc::now().timestamp_nanos() as u128;
+        let seed = chrono::Utc::now()
+            .timestamp_nanos_opt()
+            .unwrap_or_else(|| chrono::Utc::now().timestamp()) as u128;
         Random::new(seed)
     }
 }