Update area tizen owners (#78095)

Author: gbalykov

docs/area-owners.json

@@ -58,6 +58,7 @@
         "clamp03",
         "gbalykov",
         "hjleee",
+        "JongHeonChoi",
         "wscho77"
       ],
       "label": "os-tizen"

docs/area-owners.md

@@ -144,16 +144,16 @@ Note: Editing this file doesn't update the mapping used by `@msftbot` for area-s
 
 ## Operating Systems
 
-| Operating System | Lead          | Owners (area experts to tag in PR's and issues)     | Description  |
-|------------------|---------------|-----------------------------------------------------|--------------|
-| os-alpine        |               |                                                     |              |
-| os-android       | @steveisok    | @akoeplinger                                        |              |
-| os-freebsd       |               |                                                     |              |
-| os-mac-os-x      |               |                                                     |              |
-| os-maccatalyst   | @steveisok    |                                                     |              |
-| os-ios           | @steveisok    | @vargaz                                             |              |
-| os-tizen         | @alpencolt    | @gbalykov, @hjleee, @wscho77, @clamp03              |              |
-| os-tvos          | @steveisok    | @vargaz                                             |              |
+| Operating System | Lead          | Owners (area experts to tag in PR's and issues)       | Description  |
+|------------------|---------------|-------------------------------------------------------|--------------|
+| os-alpine        |               |                                                       |              |
+| os-android       | @steveisok    | @akoeplinger                                          |              |
+| os-freebsd       |               |                                                       |              |
+| os-mac-os-x      |               |                                                       |              |
+| os-maccatalyst   | @steveisok    |                                                       |              |
+| os-ios           | @steveisok    | @vargaz                                               |              |
+| os-tizen         | @alpencolt    | @gbalykov, @hjleee, @wscho77, @clamp03, @JongHeonChoi |              |
+| os-tvos          | @steveisok    | @vargaz                                               |              |
 
 ## Architectures