Add retries to pub.dev/api/ calls

[mosuem]

Trying to fix CI issues such as https://github.com/dart-lang/i18n/actions/runs/6927812726/job/18894419545. See also internal https://chat.google.com/room/AAAAkQUOtE8/Hgl4bXnbkOs.

Also sneaking in a small change to the commenting workflow.

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[github-actions]

Package publishing

Package	Version	Status	Publish tag (post-merge)
package:firehose	0.3.33	ready to publish	firehose-v0.3.33
package:dart_flutter_team_lints	2.1.1	already published at pub.dev

Documentation at https://github.com/dart-lang/ecosystem/wiki/Publishing-automation.

[github-actions]

PR Health

Package publish validation ✔️

Details

Package	Version	Status
package:firehose	0.3.33	ready to publish
package:dart_flutter_team_lints	2.1.1	already published at pub.dev

Documentation at https://github.com/dart-lang/ecosystem/wiki/Publishing-automation.

License Headers ✔️

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// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

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no missing headers

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Changelog Entry ✔️

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Package	Changed Files

Changes to files need to be accounted for in their respective changelogs.

Coverage ⚠️

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File	Coverage
pkgs/firehose/lib/src/pub.dart	💔 89 % ⬇️ 11 %

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Breaking changes ⚠️

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Package	Change	Current Version	New Version	Needed Version	Looking good?
dart_flutter_team_lints	None	2.1.1	2.1.1	2.1.1	✔️
firehose	None	0.3.32	0.3.33	0.3.32	⚠️

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