Bump dotenv-rails from 3.1.1 to 3.1.2 (#743)

Bumps [dotenv-rails](https://github.com/bkeepers/dotenv) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/bkeepers/dotenv/releases)
- [Changelog](https://github.com/bkeepers/dotenv/blob/main/Changelog.md)
- [Commits](bkeepers/dotenv@v3.1.1...v3.1.2)

---
updated-dependencies:
- dependency-name: dotenv-rails
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -160,9 +160,9 @@ GEM
  debug (1.9.2)
  irb (~> 1.10)
  reline (>= 0.3.8)
- dotenv (3.1.1)
- dotenv-rails (3.1.1)
- dotenv (= 3.1.1)
+ dotenv (3.1.2)
+ dotenv-rails (3.1.2)
+ dotenv (= 3.1.2)
  railties (>= 6.1)
  drb (2.2.1)
  erb_lint (0.5.0)