fix: work around deleted plugin release

[zchsh]

This PR pins the versions of huaweicloud/packer-plugin-huaweicloud and ivoronin/packer-plugin-sshkey. Without these plugin packages pinned, we run into build errors, which affect our deployments of hashicorp/dev-portal.

Note: we're working on a more robust fix for this issue in hashicorp/web-platform-packages#47. That fix will allow use to provide more robust resolution of docs .mdx files when versions is set to latest. This may mitigate the need to pin plugins to specific versions when they fail.

[nywilken]

LGTM. Thanks for looking into this further. Please let us know if we should communicate different process/instructions to maintainers.

[zchsh]

@nywilken Thank you! 💖

I think the docs are great as-is - for huaweicloud/packer-plugin-huaweicloud, I believe this might tie back to a previously valid 0.4.0 release on which seems to have since been deleted (with the version before, 0.3.0, not having docs at the repo root, as detailed in the docs).

For ivoronin/packer-plugin-sshkey, I think this ties to our lack of flexibility on the platform side in smart fallbacks when a docs.zip asset is missing, but docs is at the repo root. This latter case is one we're hoping to better handle via hashicorp/web-platform-packages#47 ☺️

[github-actions]

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