fix: missing vnc reconnecting label (backport #1257)

[mergify]

Summary

vncConsole.reconnecting.message label is missing

PR Checklist

• Is this a multi-tenancy feature/bug?
  • Yes, the relevant RBAC changes are at:
• Do we need to backport changes to the old Rancher UI, such as RKE1?
  • Yes, the relevant PR is at:
• Are backend engineers aware of UI changes?
  • Yes, the backend owner is:

Related Issue #

[BUG] [UI] Missing vnc reconnecting label #7182

Occurred changes and/or fixed issues

The label is missing from the shell/assets/translations/en-us.yaml in Rancher version 2.9 and lower.
Ref: https://github.com/rancher/dashboard/blob/release-2.9/shell/assets/translations/en-us.yaml#L7757-L7759.
Add translation key to pkg/harvester/l10n/en-us.yaml to fix the issue.

Technical notes summary

Add translation key to pkg/harvester/l10n/en-us.yaml to fix the issue.

Areas or cases that should be tested

1. Go to Rancher
2. Go to Virtualization Management -> Harvester cluster -> Virtual Machines
3. Click on Console button
4. Check the reconnecting label

Areas which could experience regressions

Screenshot/Video

---

This is an automatic backport of pull request #1257 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of 8b8a155 has failed:

On branch mergify/bp/release-harvester-v1.3/pr-1257
Your branch is up to date with 'origin/release-harvester-v1.3'.

You are currently cherry-picking commit 8b8a1550.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   pkg/harvester/components/novnc/NovncConsole.vue

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   pkg/harvester/l10n/en-us.yaml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally