Update rubocop-rspec requirement from ~> 3.2.0 to ~> 3.3.0 (#12)

Updates the requirements on [rubocop-rspec](https://github.com/rubocop/rubocop-rspec) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop-rspec/releases)
- [Changelog](https://github.com/rubocop/rubocop-rspec/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rspec@v3.2.0...v3.3.0)

---
updated-dependencies:
- dependency-name: rubocop-rspec
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Gemfile

@@ -10,4 +10,4 @@ gem "rspec", "~> 3.13"
 gem "rubocop", "~> 1.21", require: false
 gem "rubocop-performance", "~> 1.22.0", require: false
 gem "rubocop-rake", "~> 0.6.0", require: false
-gem "rubocop-rspec", "~> 3.2.0", require: false
+gem "rubocop-rspec", "~> 3.3.0", require: false