Update dependency flow-bin to ^0.91.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
flow-bin	devDependencies	minor	^0.89.0 -> ^0.91.0	source, changelog

---

Release Notes

flowtype/flow-bin

v0.91.0

Compare Source

v0.90.0

Compare Source

---

Renovate configuration

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

🚦 Automerge: Enabled.

♻️ Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

🔕 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 Renovate Bot. View repository job log here.

[CLAassistant]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[codecov]

Codecov Report

Merging #219 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #219   +/-   ##
=======================================
  Coverage   78.78%   78.78%           
=======================================
  Files           4        4           
  Lines          33       33           
  Branches        6        6           
=======================================
  Hits           26       26           
  Misses          3        3           
  Partials        4        4

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 8741152...428da4b. Read the comment docs.

[KevinGrandon]

!merge