add linkedin as oauth integration

backend/windmill-api/openapi.yaml

@@ -1139,7 +1139,6 @@ paths:
                 client:
                   type: string
               required:
-                - refresh_token
                 - expires_in
                 - owner
                 - client

frontend/src/lib/components/AppConnect.svelte

@@ -170,7 +170,7 @@
 			}
 
 			let account: number | undefined = undefined
-			if (valueToken?.refresh_token != undefined || valueToken?.expires_in != undefined) {
+			if (valueToken?.expires_in != undefined) {
 				account = Number(
 					await OauthService.createAccount({
 						workspace: $workspaceStore!,