Updates the install docs for the v2.34.0 release, branched off the
latest `main`.
Supersedes #25995: same release-docs update, but cut from current `main`
and with every "Latest Release" link refreshed. The automated PR carried
stale patch links and a `vv2.34.0` typo.
## Changes
- `docs/install/releases/index.md`: regenerate the release calendar.
2.34 → Mainline, 2.33 → Stable, and every "Latest Release" link points
to the current patch per minor (`2.24.6, 2.29.16, 2.30.9, 2.31.14,
2.32.5, 2.33.6, 2.34.0`).
- `docs/install/rancher.md`: version selector → Mainline `2.34.0`,
Stable `2.33.6`.
- `docs/install/kubernetes.md`: Helm `--version` → Mainline `2.34.0`,
Stable `2.33.6` (chart + OCI), matching the Rancher guide.
Addresses the review feedback on #25995: the `vv2.34.0` typo, bumping
Stable to `2.33.6`, and keeping the Kubernetes guide in sync with
Rancher.
<details>
<summary>Notes for reviewers</summary>
- Verified with `markdownlint-cli2` (0 errors) and
`markdown-table-formatter --check` (no reformatting needed).
- The calendar was regenerated via `scripts/update-release-calendar.sh`.
That script's `get_latest_patch` does not exclude prerelease tags, so it
selected `v2.34.0-rc.0` over `v2.34.0`; that row was corrected by hand.
A follow-up fix to the script would prevent this recurring.
- The linkspector 404 on `coder.com/changelog/coder-2-34` is expected
for a fresh release; that page publishes alongside the release.
</details>
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*Generated by Coder Agents on behalf of @f0ssel.*
Garrett Delfosse
2cbce86eee