address a `Bad state: No element` element exception

[devoncarew]

• address a Bad state: No element element exception

It looks like even when the issue reports that it has comments, retrieving the list of comments for an issue can return an empty list.

Unhandled exception:
Bad state: No element
#0      List.last (dart:core-patch/growable_array.dart:349:5)
#1      triage (package:sdk_triage_bot/triage.dart:54:30)
<asynchronous suspension>
#2      main (file:///home/runner/work/sdk/sdk/pkgs/sdk_triage_bot/bin/triage.dart:69:3)
<asynchronous suspension>

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[github-actions[bot]]

Package publishing

Package	Version	Status	Publish tag (post-merge)
package:firehose	0.10.0	ready to publish	firehose-v0.10.0
package:dart_flutter_team_lints	3.2.1	already published at pub.dev

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[github-actions[bot]]

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