Update dependency rollup to v3.26.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	3.26.1 -> 3.26.2

---

Release Notes

rollup/rollup (rollup)

### [`v3.26.2`](https://togithub.com/rollup/rollup/blob/HEAD/CHANGELOG.md#3262) [Compare Source](https://togithub.com/rollup/rollup/compare/v3.26.1...v3.26.2) *2023-07-06* ##### Bug Fixes - Improve error handling when manual chunks would contain external modules ([#​5050](https://togithub.com/rollup/rollup/issues/5050)) ##### Pull Requests - [#​5050](https://togithub.com/rollup/rollup/pull/5050): fix: improve error for manualChunks' modules that are resolved as an external module ([@​TrickyPi](https://togithub.com/TrickyPi))

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.