updated github action

.github/workflows/main.yml

@@ -7,7 +7,7 @@ jobs:
     steps:
     - name: Publish to slack
       id: slack
-      uses: stevengill/[email protected].1
+      uses: stevengill/[email protected].2
       with:
         channel-id: 'CTAAHRA79'
 #         slack-message: 'posting from a github action!'

index.js

@@ -28,7 +28,7 @@ try {
 
         const web = new WebClient(botToken);
 
-        if(channelId !== undefined && message !== undefined) {
+        if(channelId.length > 0 && message.length > 0) {
             // post message
             web.chat.postMessage({text: message, channel: channelId});
         } else {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "slack-github-action",
-  "version": "1.3.1",
+  "version": "1.3.2",
   "description": "",
   "main": "index.js",
   "scripts": {