fix(integrations): fix emarsys-oauth typo (#3329)

## Describe the problem and your solution 

- Fix small typo on Emarsys-Oauth

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Co-authored-by: Hassan Wari <hassanwari@Hassans-MacBook-Pro.local>
Co-authored-by: Khaliq <khaliq@nango.dev>

packages/shared/providers.yaml

@@ -2325,7 +2325,7 @@ emarsys:
             pattern: '^[a-zA-Z0-9-]+$'
 
 emarsys-oauth:
-    display_name: Emarsys (Ouath)
+    display_name: Emarsys (OAuth)
     categories:
         - marketing
     auth_mode: OAUTH2_CC