Switch to time crate, add file sizes (#329)

* Switch to time crate, add file sizes

* Update deps, adjust pack format

* Run formatter, fix clippy

src/validate/fabric.rs

@@ -1,8 +1,8 @@
 use crate::validate::{
     SupportedGameVersions, ValidationError, ValidationResult,
 };
-use chrono::{DateTime, NaiveDateTime, Utc};
 use std::io::Cursor;
+use time::OffsetDateTime;
 use zip::ZipArchive;
 
 pub struct FabricValidator;
@@ -22,9 +22,8 @@ impl super::Validator for FabricValidator {
 
     fn get_supported_game_versions(&self) -> SupportedGameVersions {
         // Time since release of 18w49a, the first fabric version
-        SupportedGameVersions::PastDate(DateTime::from_utc(
-            NaiveDateTime::from_timestamp(1543969469, 0),
-            Utc,
+        SupportedGameVersions::PastDate(OffsetDateTime::from_unix_timestamp(
+            1543969469,
         ))
     }