Update hash field expiration details for Redis 8.0 (#2280)

* Update hash field expiration details for Redis 8.0

Added new commands HGETEX and HSETEX for setting expiration on hash fields.

* Apply suggestions from code review

Update to adhere to our style guide.

---------

Co-authored-by: David Dougherty <[email protected]>

Author: LiorKogan

content/develop/data-types/hashes.md

@@ -100,7 +100,7 @@ See the [complete list of hash commands]({{< relref "/commands/" >}}?group=hash)
 
 ## Field expiration
 
-New in Redis Open Source 7.4 is the ability to specify an expiration time or a time-to-live (TTL) value for individual hash fields.
+Redis 7.4 introduced the ability to specify an expiration time or a time-to-live (TTL) value for individual hash fields.
 This capability is comparable to [key expiration]({{< relref "/develop/using-commands/keyspace#key-expiration" >}}) and includes a number of similar commands.
 
 Use the following commands to set either an exact expiration time or a TTL value for specific fields:
@@ -123,6 +123,11 @@ Use the following command to remove the expiration of specific fields:
 
 * [`HPERSIST`]({{< relref "/commands/hpersist" >}}): remove the expiration.
 
+Redis 8.0 introduced the following commands:
+
+* [`HGETEX`]({{< relref "/commands/HGETEX" >}}): Get the value of one or more fields of a given hash key and optionally set their expiration time or time-to-live (TTL).
+* [`HSETEX`]({{< relref "/commands/HSETEX" >}}): Set the value of one or more fields of a given hash key and optionally set their expiration time or time-to-live (TTL).
+
 ### Common field expiration use cases
 
 1. **Event Tracking**: Use a hash key to store events from the last hour. Set each event's TTL to one hour. Use `HLEN` to count events from the past hour.
@@ -201,4 +206,4 @@ In practice, your hashes are limited only by the overall memory on the VMs hosti
 ## Learn more
 
 * [Redis Hashes Explained](https://www.youtube.com/watch?v=-KdITaRkQ-U) is a short, comprehensive video explainer covering Redis hashes.
-* [Redis University's RU101](https://university.redis.com/courses/ru101/) covers Redis hashes in detail.
+* [Redis University's RU101](https://university.redis.com/courses/ru101/) covers Redis hashes in detail.