chore: Update Typescript SDK README.md (#1353)

And try to force the release version again.

Release-As: 23.14.1

Author: jeremytchang

packages/sdk/README.md

@@ -66,7 +66,7 @@ The `looker.ini` configuration file and environment variables are _never_ used i
 
 ### Developing with multiple API versions
 
-Version API 4.0 is available and API 3.1 is deprecated. To support iterative migration to API 4.0 from API 3.1, the single Looker SDK package now supports multiple API versions for the generated SDK classes. Both API 3.1 and API 4.0 are supported for Node and browser-based use.
+Please use API 4.0. API 3.1 is deprecated. To support iterative migration to API 4.0 from API 3.1, the single Looker SDK package now supports multiple API versions for the generated SDK classes. Both API 3.1 and API 4.0 are supported for Node and browser-based use.
 
 `LookerBrowserSDK.init31()` and `Looker31SDK()` initialize the API 3.1 implementation of the SDK.