Go: Update identify-environment JSON format

The spec changed after this was implemented and merged

Author: mbg

go/extractor/cli/go-autobuilder/go-autobuilder.go

@@ -44,7 +44,7 @@ Build behavior:
     to 'false' disables the GOPATH set-up, CODEQL_EXTRACTOR_GO_BUILD_COMMAND (or alternatively
     LGTM_INDEX_BUILD_COMMAND), can be set to a newline-separated list of commands to run in order to
     install dependencies, and LGTM_INDEX_IMPORT_PATH can be used to override the package import path,
-    which is otherwise inferred from the SEMMLE_REPO_URL or GITHUB_REPOSITORY environment variables.    
+    which is otherwise inferred from the SEMMLE_REPO_URL or GITHUB_REPOSITORY environment variables.
 
     In resource-constrained environments, the environment variable CODEQL_EXTRACTOR_GO_MAX_GOROUTINES
     (or its legacy alias SEMMLE_MAX_GOROUTINES) can be used to limit the number of parallel goroutines
@@ -931,9 +931,9 @@ func getVersionToInstall(v versionInfo) (msg, version string) {
 func outputEnvironmentJson(version string) {
 	var content string
 	if version == "" {
-		content = `{ "include": [] }`
+		content = `{ "go": {} }`
 	} else {
-		content = `{ "include": [ { "go": { "version": "` + version + `" } } ] }`
+		content = `{ "go": { "version": "` + version + `" } }`
 	}
 	_, err := fmt.Fprint(os.Stdout, content)