add job status and pr link

Author: isabelrios

payload-slack-content.json

@@ -5,7 +5,7 @@
    		 "type": "header",
    		 "text": {
    			 "type": "plain_text",
-   			 "text": ":looker: Looker Github Action :github: - Weekly Update",
+   			 "text": ":looker: Looker Github Action :github: - Weekly Update ${{ job.status }}",
    			 "emoji": true
    		 }
    	 },
@@ -16,7 +16,7 @@
    		 "type": "section",
    		 "text": {
    			 "type": "plain_text",
-   			 "text": "Status: \n Commit:",
+   			 "text": "Status: ${{ job.status }}\n Commit: ${{ github.event.pull_request.html_url }}",
    			 "emoji": true
    		 }
    	 },