chore(deps): update dependency rollup to v2.26.7

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
rollup (source)	devDependencies	patch	2.26.6 -> 2.26.7

---

Release Notes

rollup/rollup

v2.26.7

Compare Source

2020-08-28

Bug Fixes

• Avoid invalid code when rendering hoisted variable declarations from dead branches (#​3752)
• Mark the options parameter of this.parse as optional for TypeScript plugins (#​3750)

Pull Requests

• #​3750: Make options of PluginContext#parse optional (@​intrnl)
• #​3752: Extract hoisted variables from dead branches (@​lukastaegert)

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻️ Rebasing: Whenever PR becomes conflicted, 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 WhiteSource Renovate. View repository job log here.