Always publish build scans on CI (#4139)

This will let us easy to observe and share build statistics on CI.

settings.gradle

@@ -11,9 +11,20 @@ pluginManagement {
 }
 
 plugins {
+    id 'com.gradle.enterprise' version '3.16.2'
     id 'org.gradle.toolchains.foojay-resolver-convention' version '0.8.0'
 }
 
+def isCI = providers.environmentVariable("CI").isPresent()
+
+gradleEnterprise {
+    buildScan {
+        termsOfServiceUrl = "https://gradle.com/terms-of-service"
+        termsOfServiceAgree = "yes"
+        publishAlwaysIf(isCI)
+    }
+}
+
 dependencyResolutionManagement {
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
     repositories {