chore(deps): update dependency eslint-plugin-prettier to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
eslint-plugin-prettier	devDependencies	major	^2.6.1 -> ^3.0.0	source

---

Release Notes

prettier/eslint-plugin-prettier

v3.0.0

Compare Source

• Chore: Add eslint peer-dependency (d55d79c)
• Breaking: Extract showInvisibles and generateDifferences (bf7c40c)
• Breaking: Defining prettier options must use an object (478c7e5)
• Breaking: Drop support for ESLint v3 and v4 (2326231)
• Chore: Update dependencies (1ec94c8)
• Chore: remove two unused dependencies (bfe459c)
• Chore: Rename test files to keep them sequential (d38ea52)
• Breaking: Remove pragma support (3af422c)
• Breaking: Update minimum required pretter version to 1.13.0 (29c0506)
• Breaking: Drop support for node v4, v7 and v9 (be460bd)
• Chore: Add vscode config to autoformat on save (9fac6b4)
• Chore: Improve travis matrix (46d2444)
• Chore: Add format script to run prettier (d46aa6d)

---

Renovate configuration

📅 Schedule: PR created on schedule "after 9am and before 3pm" (UTC)

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

♻️ Rebasing: Whenever PR is stale, 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.

---

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

[codecov]

Codecov Report

Merging #351 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #351   +/-   ##
=======================================
  Coverage   99.53%   99.53%           
=======================================
  Files          12       12           
  Lines        1281     1281           
=======================================
  Hits         1275     1275           
  Misses          6        6

---

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 924c9b8...565447b. Read the comment docs.