add details to exceptions generated during report render failures (#576)

src/api-service/__app__/onefuzzlib/notifications/common.py

@@ -40,10 +40,10 @@ class Render:
         self.filename = filename
         task = Task.get(report.job_id, report.task_id)
         if not task:
-            raise ValueError
+            raise ValueError(f"invalid task {report.task_id}")
         job = Job.get(report.job_id)
         if not job:
-            raise ValueError
+            raise ValueError(f"invalid job {report.job_id}")
 
         self.task_config = task.config
         self.job_config = job.config

src/api-service/__app__/onefuzzlib/notifications/github_issues.py

@@ -117,3 +117,5 @@ def github_issue(
         handler.process()
     except GitHubException as err:
         fail_task(report, err)
+    except ValueError as err:
+        fail_task(report, err)