Upgrade time to 0.2.5 (#1254)

* Use `OffsetDateTime` instead of `PrimitiveDateTime`

* Parse time strings with `PrimitiveDateTime::parse` instead of `OffsetDateTime::parse`

* Remove unused `time` dependency from actix-multipart

* Fix a few errors with time related tests from the `time` upgrade

* Implement logic to convert a RFC 850 two-digit year into a full length year, and organize time parsing related functions

* Upgrade `time` to 0.2.2

* Correctly parse C's asctime time format using time 0.2's new format patterns

* Update CHANGES.md

* Use `time` without any of its deprecated functions

* Enforce a UTC time offset when converting an `OffsetDateTime` into a Header value

* Use the more readable version of `Duration::seconds(0)`, `Duration::zero()`

* Remove unneeded conversion of time::Duration to std::time::Duration

* Use `OffsetDateTime::as_seconds_f64` instead of manually calculating the amount of seconds from nanoseconds

* Replace a few additional instances of `Duration::seconds(0)` with `Duration::zero()`

* Truncate any nanoseconds from a supplied `Duration` within `Cookie::set_max_age` to ensure two Cookies with the same amount whole seconds equate to one another

* Fix the actix-http:🍪:do_not_panic_on_large_max_ages test

* Convert `Cookie::max_age` and `Cookie::expires` examples to `time` 0.2

Mainly minor  changes. Type inference can be used alongside the new
`time::parse` method, such that the type doesn't need to be specified.
This will be useful if a refactoring takes place that changes the type.
There are also new macros, which are used where possible.

One change that is not immediately obvious, in `HttpDate`, there was an
unnecessary conditional. As the time crate allows for negative durations
(and can perform arithmetic with such), the if/else can be removed
entirely.

Time v0.2.3 also has some bug fixes, which is why I am not using a more
general v0.2 in Cargo.toml.

v0.2.3 has been yanked, as it was backwards imcompatible. This version
reverts the breaking change, while still supporting rustc back to
1.34.0.

* Add missing `time::offset` macro import

* Fix type confusion when using `time::parse` followed by `using_offset`

* Update `time` to 0.2.5

* Update CHANGES.md

Co-authored-by: Jacob Pratt <the.z.cuber@gmail.com>

actix-http/src/cookie/jar.rs

@@ -1,7 +1,7 @@
 use std::collections::HashSet;
 use std::mem::replace;
 
-use chrono::Duration;
+use time::{Duration, OffsetDateTime};
 
 use super::delta::DeltaCookie;
 use super::Cookie;
@@ -188,7 +188,7 @@ impl CookieJar {
     ///
     /// ```rust
     /// use actix_http::cookie::{CookieJar, Cookie};
-    /// use chrono::Duration;
+    /// use time::Duration;
     ///
     /// let mut jar = CookieJar::new();
     ///
@@ -202,7 +202,7 @@ impl CookieJar {
     /// let delta: Vec<_> = jar.delta().collect();
     /// assert_eq!(delta.len(), 1);
     /// assert_eq!(delta[0].name(), "name");
-    /// assert_eq!(delta[0].max_age(), Some(Duration::seconds(0)));
+    /// assert_eq!(delta[0].max_age(), Some(Duration::zero()));
     /// ```
     ///
     /// Removing a new cookie does not result in a _removal_ cookie:
@@ -220,8 +220,8 @@ impl CookieJar {
     pub fn remove(&mut self, mut cookie: Cookie<'static>) {
         if self.original_cookies.contains(cookie.name()) {
             cookie.set_value("");
-            cookie.set_max_age(Duration::seconds(0));
-            cookie.set_expires(time::now() - Duration::days(365));
+            cookie.set_max_age(Duration::zero());
+            cookie.set_expires(OffsetDateTime::now() - Duration::days(365));
             self.delta_cookies.replace(DeltaCookie::removed(cookie));
         } else {
             self.delta_cookies.remove(cookie.name());
@@ -239,7 +239,7 @@ impl CookieJar {
     ///
     /// ```rust
     /// use actix_http::cookie::{CookieJar, Cookie};
-    /// use chrono::Duration;
+    /// use time::Duration;
     ///
     /// let mut jar = CookieJar::new();
     ///
@@ -533,7 +533,7 @@ mod test {
     #[test]
     #[cfg(feature = "secure-cookies")]
     fn delta() {
-        use chrono::Duration;
+        use time::Duration;
         use std::collections::HashMap;
 
         let mut c = CookieJar::new();
@@ -556,7 +556,7 @@ mod test {
         assert!(names.get("test2").unwrap().is_none());
         assert!(names.get("test3").unwrap().is_none());
         assert!(names.get("test4").unwrap().is_none());
-        assert_eq!(names.get("original").unwrap(), &Some(Duration::seconds(0)));
+        assert_eq!(names.get("original").unwrap(), &Some(Duration::zero()));
     }
 
     #[test]