Fix Ballerina Github connector publishing flow code

integrator-default-profile/connectors/github_trigger_sample/automation.bal

@@ -1 +1,17 @@
+import ballerina/log;
+import ballerinax/github;
 
+configurable string owner = ?;
+configurable string repo = ?;
+
+public function main() returns error? {
+    do {
+        github:Issue githubIssue = check githubClient->/repos/[owner]/[repo]/issues.post({
+            title: "Test webhook"
+        });
+        log:printInfo("Issue created", number = githubIssue.number, url = githubIssue.html_url);
+    } on fail error e {
+        log:printError("Error occurred", 'error = e);
+        return e;
+    }
+}

integrator-default-profile/connectors/github_trigger_sample/config.bal

@@ -1,3 +1,4 @@
 
 configurable string webhookSecret = ?;
 configurable int listenerPort = ?;
+configurable string githubAuthToken = ?;

integrator-default-profile/connectors/github_trigger_sample/connections.bal

@@ -1 +1,7 @@
+import ballerinax/github;
 
+final github:Client githubClient = check new ({
+    auth: {
+        token: string `${githubAuthToken}`
+    }
+});