feat: add version to web_backend/config response (#16480)

Author: colesnodgrass

airbyte-api/server-api/src/main/openapi/config.yaml

@@ -16950,9 +16950,11 @@ components:
     WebappConfigResponse:
       type: object
       required:
-        - airbyteVersion
+        - version
         - edition
       properties:
+        version:
+          type: string
         edition:
           type: string
         datadogApplicationId:

airbyte-server/src/main/kotlin/io/airbyte/server/apis/controllers/WebBackendApiController.kt

@@ -181,6 +181,7 @@ open class WebBackendApiController(
   @ExecuteOn(AirbyteTaskExecutors.IO)
   override fun getWebappConfig(): WebappConfigResponse =
     WebappConfigResponse().apply {
+      version = webappConfig.version
       edition = webappConfig.edition
       datadogApplicationId = webappConfig.webApp["datadog-application-id"]
       datadogClientToken = webappConfig.webApp["datadog-client-token"]
@@ -204,6 +205,7 @@ open class WebBackendApiController(
  */
 @ConfigurationProperties("airbyte")
 data class WebappConfig(
+  @Value("\${AIRBYTE_VERSION}") val version: String,
   @Value("\${AIRBYTE_EDITION}") val edition: String,
   val webApp: Map<String, String>,
 )