Add author name and pr number in drone pipeline notifications (#31124)

* Add author name and pr number in drone pipeline notifications

.drone.yml

@@ -690,7 +690,7 @@ steps:
   image: plugins/slack
   settings:
     channel: grafana-ci-notifications
-    template: "Build {{build.number}} failed: {{build.link}}"
+    template: "Build {{build.number}} failed for PR {{build.pull}}: {{build.link}}\nAuthor: {{build.author}}"
     webhook:
       from_secret: slack_webhook
 
@@ -1609,7 +1609,7 @@ steps:
   image: plugins/slack
   settings:
     channel: grafana-ci-notifications
-    template: "Build {{build.number}} failed: {{build.link}}"
+    template: "Build {{build.number}} failed for PR {{build.pull}}: {{build.link}}\nAuthor: {{build.author}}"
     webhook:
       from_secret: slack_webhook
 
@@ -2511,7 +2511,7 @@ steps:
   image: plugins/slack
   settings:
     channel: grafana-ci-notifications
-    template: "Build {{build.number}} failed: {{build.link}}"
+    template: "Build {{build.number}} failed for PR {{build.pull}}: {{build.link}}\nAuthor: {{build.author}}"
     webhook:
       from_secret: slack_webhook
 
@@ -3309,7 +3309,7 @@ steps:
   image: plugins/slack
   settings:
     channel: grafana-ci-notifications
-    template: "Build {{build.number}} failed: {{build.link}}"
+    template: "Build {{build.number}} failed for PR {{build.pull}}: {{build.link}}\nAuthor: {{build.author}}"
     webhook:
       from_secret: slack_webhook
 

scripts/lib.star

@@ -71,7 +71,7 @@ def slack_step(channel):
                 'from_secret': 'slack_webhook',
             },
             'channel': channel,
-            'template': 'Build {{build.number}} failed: {{build.link}}',
+            'template': 'Build {{build.number}} failed for PR {{build.pull}}: {{build.link}}\nAuthor: {{build.author}}',
         },
     }